Dock Leveler Spring Finder
Main extension springs are the centerpiece of Mechanical Dock Levelers,
but you also need snubber springs and lip extension springs for Air Powered
and Hydraulic Dock Levelers. Here is a comprehensive list of the springs
used in all the major brands.
Spring Filter
| Image | Brand | Part Number | Length | Dia | Wire Size |
Coils | Type | Note | Add to Cart |
|---|---|---|---|---|---|---|---|---|---|
 |
Rite-Hite | 52100 | 23 1/2" | 3" | .435" | 41 | Extension | This is by far our best selling spring. | |
 |
Rite-Hite | 52105 | 8 1/8" | 2 5/8" | .389" | 10 | Extension | Snubbing Cable Spring | |
 |
Serco | 333-029 | 8 1/8" | 2 3/4" | .389" | 10 | Extension | Lip Lifter Spring | |
 |
Rite-Hite | 52111 | 5" | 3/8" | .048" | 70 | Extension | ||
 |
Kelley | 709-437 | 15" | 1" | N/A | N/A | Gas | Same as 200-02396 and 13-0118 | |
 |
DLM | DOTH2582 | 15 1/2" | 1" | N/A | N/A | Gas | Gas Shock (Spring) (OTH2582) | |
 |
Rite-Hite | 52200 | 3 1/2" | 1 1/2" | .075" | 4 | Torsion | You may also need the 5015 Ratchet Bar and 5014 Pawl if purchasing this part. | |
 |
McGuire | 113-61 | 19 1/2" | 3 1/4" | .393" | 36 | Extension | Show in the manual as 113-061 | |
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Blue Giant | 113-143 | 100"lg Flat Coil Spring for Blue Giant holdown (box style Holdown) | ||||||
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McGuire | 113-058 | 8" | 2 3/8" | .333" | 12 | Extension | Standard Snubber | |
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Serco | 333-043 | 12 5/8" | 3 1/4" | .310" | 23 | Extension | medium 16 or 18'' lip | |
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Serco | 333-054 | 25" | 4" | .634" | 30 | Extension | WL Main Spring | |
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Rite-Hite | 52106 | 13 1/4" | 3/4" | .085" | 130 | Extension | ||
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Kelley | 030-114 | 2 1/2" | 1 2/3" | .070" | 2 | Torsion | Lost Motion | |
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Kelley | 030-116 | 2 1/2" | 1/3" | .068" | 18 | Torsion | for holdown pawl | |
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Pentalift | 302-0390 | 21 1/2" | 3 3/8" | .440" | 38 | Extension | Pentalift Main Spring | |
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Kelley | 709-472 | 22" | 1 1/4" | N/A | N/A | Gas | Gas Spring w/ Ball Stud Ends | |
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Blue Giant | 223-0004 | 23" | 3 1/2" | .472" | 39 | Extension | Main Lifting | |
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Kelley | 030-142 | 5" | 1 5/8" | .073" | 6 | Torsion | Handle Return Spring | |
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Pioneer | A19 | 8" | 2 3/8" | 10 | Extension | Snubber Spring | ||
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Kelley | 101-091 | 1 1/2" | 1 3/8" | .093" | 5 | Torsion | ||
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Kelley Atlantic | 32-19841 | 16" | 1" | N/A | N/A | Gas | Gas Spring w/ Clevis | |
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DLM | DOTH2570 | 20 1/2" | 3 1/2" | .406" | 38 | Extension | same as OTH2570 | |
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Blue Giant | 017-034 | 10 1/4" | 1 5/8" | .215" | 32 | Extension | ||
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Kelley | 030-193 | 7 7/8" | 2 3/4" | .333" | 12 | Extension | Lip Lifter | |
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Kelley Atlantic | 060-045B | 26 3/4" | 3 1/8" | .500" | 44 | Extension | Main Spring, (Redesigned) Larger dia. & wire than OEM | |
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Rite-Hite | 52101 | 23 1/2" | 3" | .410" | 44 | Extension | ||
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McGuire | 113-55 | 23 3/8" | 3 1/8" | .386" | 46 | Extension | Main Spring (Purple) | |
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DLM | DOTH2555 | 8 1/8" | 2 3/4" | .389" | 10 | Extension | Snubber Spring (OTH2555) | |
 |
Kelley Atlantic | 060-050 | 27 1/2" | 3" | .406" | 53 | Extension | Main Spring | |
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Rite-Hite | 52108 | 18 1/2" | 3 5/8" | .369" | 36 | Extension | ||
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Serco | 333-045 | 3 7/8" | 7/8" | 21 | Extension | Latch Bar Return Spring | ||
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Pioneer | A7 | 34 1/4" | 3 1/8" | .468" | 62 | Extension | Main Spring | |
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Rite-Hite | 52120 | 25" | 3 1/4" | .475" | 42 | Extension | ||
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Pioneer | A20 | 16 1/4" | 1/2" | .067" | 228 | Extension | Lip Lock Spring | |
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Serco | SMF5035 | 7 3/8" | 2 3/4" | .450" | 9 | Extension | 8' Snubber assy. kit chain, chain stop, shackles & extension spring | |
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Blue Giant | 793-971 | 24" | 3 3/8" | .373" | 38 | Extension | ||
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Rite-Hite | 52129 | 11" | 1 7/8" | .186" | 50 | Extension | w/ tapered ends | |
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McGuire | 702670 | 7 7/8" | 2 3/8" | .333" | 11 | Extension | Snubber Spring | |
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Rite-Hite | 52047 | 5" | 1/2" | .061" | 72 | Extension | ||
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Kelley | 054-058 | 18" | 1" | N/A | N/A | Gas | Gas Spring Assembly uses 030-238 | |
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Serco | 333-044 | 14 3/4" | 5" | .380 | 23 | Extension | ||
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Serco | 333-050 | 24 3/4" | 4 1/4" | .629" | 30 | Extension | ||
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DLM | DOTH2576 | 24" | 3 7/8" | .500" | 37 | Extension | Main Spring for 8' Leveler same as OTH2576 | |
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Serco | 333-028 | 11 3/4" | 2 5/8" | .250" | 32 | Extension | ||
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Blue Giant | 111-929 | 10 3/4" | 2" | .473" | 15 | Compression | ||
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Nordock | 13-0006 | 26 3/8" | 3 1/8" | .512" | 43 | Extension | Main Spring, Heavy Duty | |
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Blue Giant | 200-02414C | 26" | 3 1/8" | .468 | 45 | Extension | ||
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Serco | 333-049 | 24" | 3 1/8" | .464" | 39 | Extension | WL Main Spring | |
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Kelley | 030-026 | 22 3/8" | 3" | .438" | 41 | Extension | ||
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Ellis | 15-006 | 22 1/2" | 3 1/2" | .405" | 42 | Extension | Main Spring | |
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Blue Giant | 017-062 | 8" | 1 5/8" | .250" | 24 | Extension | Add-A-Dock | |
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McGuire | MMF3027 | 2 1/2" | 7/8" | .093" | 9 | Extension | Holdown | |
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Kelley | KMF4169 | 19" | 1" | N/A | N/A | Gas | Gas Spring | |
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Nordock | 42-0621 | 17 1/2" | 1" | N/A | N/A | Gas | Main Gas Spring Assy 17-1/2" long | |
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Poweramp | 0941-0002 | 22 3/8" | 3 1/4" | .469" | 37 | Extension | Main Spring | |
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Rite-Hite | 120048 | 13 1/2" | 2 3/8" | .328" | 21 | Compression | Main Spring | |
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Serco | 333-055 | 4 7/8" | 3/4" | .084" | 41 | Extension | Safety Leg | |
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Kelley | 101-088 | 4" | 4" | .085" | 23 | Extension | ||
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Kelley | 030-043 | 27 1/4" | 1 3/4" | .217" | 68 | Compression | Lip Assist Spring | |
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Rite-Hite | 52109 | 21 5/8" | 3 1/2" | .386" | 42 | Extension | ||
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Blue Giant | 203-0019 | 18" | 2 3/8" | .313" | 41 | Extension | Float | |
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Blue Giant | 203-5011 | 16 7/8" | 2 1/2" | .350" | 39 | Extension | Float Spring Assembly | |
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Pioneer | 111A | 16 1/4" | 2 7/8" | .465" | 23 | Torsion | ||
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Serco | 333-040 | 12 5/8" | 3 1/4" | .310" | 23 | Extension | SUPERSEDED BY 333-043 | |
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Rite-Hite | 52117 | 11" | 1 1/4" | .120" | 74 | Extension | Booster Spring | |
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Rite-Hite | 52103 | 5 1/2" | 1 5/8" | .171" | 20 | Extension | Cam Assist Spring | |
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Kelley | 030-194 | 5 1/8" | 5/8" | .149" | 10 | Extension | ||
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Kelley | 700-135 | 2 3/8" | 1/2" | .055" | 25 | Extension | ||
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Kelley | 101-080 | 6" | 1 1/2" | .147" | 6 | Torsion | Toggle Spring ( N/S 8' & 10' Yieldable Rods) | |
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Blue Giant | 017-077 | 13" | 3" | 33 | Extension | Lip Assist | ||
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Rite-Hite | 120461 | 4 3/4" | 1 1/8" | .069" | 6 | Torsion | ||
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Rite-Hite | 52011 | 21 5/8" | 1 1/2" | .232" | 47 | Compression | ||
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McGuire | 113-037 | 18" | 3 3/8" | .395" | 35 | Torsion | ||
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Rite-Hite | 52113 | 13 1/4" | 3/4" | .085" | 130 | Extension | ||
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Pentalift | 302-0951 | 7 1/2" | 2 3/4" | .390" | 9 | Extension | Lip Chain Spring | |
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Blue Giant | 017-061 | 6 1/8" | 5 3/8" | .360" | 8 | Extension | for EOD | |
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Kelley | 030-068 | 6" | 1 3/4" | .282" | 12 | Extension | Holdown Spring | |
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DLM | DOTH2559 | 5 1/8" | 5/8" | .069" | 58 | Extension | same as OTH2559 | |
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Kelley | 101-077 | 4 3/4" | 1 1/4" | .149" | 16 | Extension | ||
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Blue Giant | 017-012 | 4" | 1" | .119" | 20 | Extension | for Lip Assist | |
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Serco | 333-047 | 2" | 7/8" | .081" | 7 | Compression | (LS 4) | |
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DLM | DOTH6465 | 18" | 1" | N/A | N/A | Gas | Gas Spring DKIT (OTH6465) | |
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Kelley | 054-062 | 12" | 1" | N/A | N/A | Gas | Gas Spring Assembly | |
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Kelley Atlantic | 060-018 | 16 1/2" | 1" | N/A | N/A | Gas | Gas Spring w/ Clevis | |
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Kelley Atlantic | 13-0509 | 18" | 1 1/2" | N/A | N/A | Gas | Gas Spring Assy with ball studs | |
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Kelley | 101-079 | 3 1/2" | 1 1/4" | .177" | 18 | Torsion | ||
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Kelley Atlantic | 060-010 | 27" | 1 3/8" | .123" | 68 | Compression | Lip Assist Spring | |
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Rite-Hite | 52014 | 23" | 1 5/8" | .261" | 55 | Compression | Lip Assist | |
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Rite-Hite | 52003 | 43 3/4" | 1 1/2" | .280" | 110 | Compression | Lip Assist | |
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Kelley | 030-041 | 29 1/2" | 3 1/4" | .437" | 52 | Extension | Lifter Spring | |
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Kelley | 030-081 | 26 5/8" | 3" | .405" | 53 | Extension | ||
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Ellis | 15-005 | 20 3/4" | 3 5/8" | .405" | 39 | Extension | O/S Main Spring | |
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Rite-Hite | 56036 | 11 1/4" | 2 3/8" | .225" | 35 | Extension | Truck Restraint Ext Spring | |
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Blue Giant | 108-042 | 8 1/2" | 1 5/8" | .215" | 23 | Extension | for Add-a-Dock | |
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Serco | 333-021 | 8" | 1" | .129" | 48 | Extension | Spring (safety leg) | |
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McGuire | 113-268 | 7" | 1 1/8" | 54 | Extension | Return Spring | ||
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Copperloy | 5539B02 | 6 3/4" | 4 5/8" | 11 | Torsion | for EOD 30K Capacity | ||
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Kelley | 101-089 | 6 1/8" | 5 3/8" | .360" | 8 | Extension | Main Lift | |
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Copperloy | 5881A01 | 4" | 1" | .085" | 23 | Extension | for EOD | |
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Serco | 333-042 | 3 5/8" | 1/2" | .061" | 45 | Extension | Spring (Latch Bar) | |
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Serco | 333-037 | 1" | 1" | .061" | 5 | Compression | Holdown Return n/s | |
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Kelley | 600-005 | 12" | 1" | N/A | N/A | Gas | Gas Spring Assembly | |
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Kelley | 030-225 | 12 1/2" | 1" | N/A | N/A | Gas | Gas Spring 12-1/2" lg | |
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Kelley Atlantic | 310-016 | 27 1/4" | 1 1/2" | .225" | 68 | Compression | Spring Lip Assist | |
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Kelley | 705-624 | 36 1/2" | 3 1/2" | .506" | 62 | Extension | ||
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DLM | DOTH2550 | 29 7/8" | 1 1/2" | .260" | 73 | Compression | Compression Spring (OTH2550) | |
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Rite-Hite | 116952 | 29 1/2" | 3 3/8" | .398" | 55 | Extension | Spring Extension Main Gen/RTHT Dock | |
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Rite-Hite | 116954 | 29 1/4" | 3 3/8" | .403" | 62 | Extension | Main Spring Yellow | |
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Rite-Hite | 116957 | 29 1/8" | 3 1/2" | .468" | 59 | Extension | Main Spring | |
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Poweramp | 0941-0001 | 22" | 3 1/4" | .514" | 34 | Extension | Main Spring, Yellow | |
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DLM | DOTH2578 | 23 1/4" | 4 3/4" | .594" | 30 | Extension | Main Spring (OTH2578) | |
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Rite-Hite | 52114 | 16 1/2" | 2 7/8" | .340" | 37 | Extension | found on SA256-6 | |
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Pentalift | 097-0002-1 | 15 1/2" | 2" | .252" | 49 | Extension | ||
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Pentalift | 302-0567 | 15 1/2" | 2" | .252" | 49 | Extension | Lip Assist Spring | |
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Serco | 333-041 | 13 1/2" | 3 7/8" | .375" | 19 | Extension | Superceded by 333-044 | |
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Rite-Hite | 52110 | 13 3/8" | 3 1/2" | .369" | 24 | Extension | ||
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Nova | MF2-050-000 | 11" | 1 7/8" | 50 | Extension | |||
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Pioneer | A24 | 7 1/2" | 1/2" | .047" | 140 | Extension | Release Lever Spring W/Cotter pins | |
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Rite-Hite | 52046 | 10 7/8" | 1 1/4" | .166" | 60 | Extension | Snubber Cable Spring | |
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Kelley | 250-010 | 10 5/8" | 1 3/4" | .208" | 39 | Extension | ||
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Rite-Hite | 120178 | 13 1/2" | 1/2" | .080" | 30 | Compression | Secondary Compression Spring Dual Spring w/o Galv. | |
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Poweramp | 0941-0011 | 8" | 1 3/8" | .219" | 30 | Extension | ||
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Rite-Hite | 52128 | 8" | 2 3/8" | .332" | 12 | Extension | Snubbing Spring | |
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Rite-Hite | 52000 | 7 3/8" | 1 3/4" | 14 | Compression | |||
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Kelley | 101-083 | 6 3/4" | 4 5/8" | .393" | 8 | Extension | Main Lift | |
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Pentalift | 097-0038 | 6 5/8" | 1/2" | .062" | 60 | Extension | ||
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Serco | 333-039 | 6 1/4" | 5/8" | .089" | 51 | Extension | Spring (damper) | |
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Copperloy | 5539B01 | 6 1/8" | 5 3/8" | .360" | 8 | Extension | EOD 20K Capacity | |
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Kelley | 030-084 | 6" | 1" | .123" | 36 | Extension | BDC Chain | |
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Poweramp | 0522-0002 | 4" | 2" | .560" | 9 | Compression | Restraint Guide | |
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McGuire | MMF3029 | 3 1/4" | 3/4" | 25 | Extension | Spring- RED Original Holdown | ||
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Kelley | 030-086 | 1" | 1/4" | .047" | 11 | Compression | Pawl Holdown | |
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Ellis | 15-020 | 2 1/4" | 1/2" | .075" | 4 | Torsion | Pawl Spring | |
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Kelley Atlantic | 37-19901 | 17 1/2" | 1" | N/A | N/A | Gas | Gas Spring Assembly | |
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McGuire | 113-213 | 20" | 1" | N/A | N/A | Gas | Gas Spring | |
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McGuire | 113-292 | 29" | 1" | N/A | N/A | Gas | Gas Spring w/Ball Joint Stud | |
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Rite-Hite | 111754 | 36 1/2" | 2" | N/A | N/A | Gas | Gas Spring Assembly VB300M Restraint | |
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Pentalift | 097-0033 | 15 1/2" | 1" | N/A | N/A | Gas | Gas Spring Assy | |
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Kelley | 286-497 | 12 1/2" | 1" | N/A | N/A | Gas | Gas Spring | |
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Blue Giant | 104-017B | 11" | 2 1/8" | .438" | 15 | Compression | for shock absorber | |
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Kelley | 101-086 | 2 1/2" | 1/2" | .073" | 16 | Torsion | Holdown Pawl | |
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Kelley Atlantic | 060-030 | 8 1/2" | 5/8" | .080" | 93 | Extension | Safety Leg Return Spring 5/8 od | |
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Kelley Atlantic | 060-023 | 2 1/2" | 1/8" | .073" | 16 | Torsion | Pawl Spring | |
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Kelley Atlantic | 060-022 | 2 1/2" | 1 3/4" | .125" | 2 | Torsion | Pawl Lifter | |
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Kelley | 030-196 | 1" | 3/8" | .021" | 9 | Compression | ||
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McGuire | 702-668 | 44" | 3/8" | .280" | 90 | Compression | ||
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Kelley | 030-012 | 6 1/8" | 1" | Torsion | C.T.L.-RH | |||
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Kelley | 030-156 | 5" | 2" | 6 | Torsion | Handle Return Spring | ||
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Kelley | 030-097 | 7/8" | 1/4" | .047" | 10 | Compression | Pawl Holdown | |
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Kelley | 030-011 | 3 5/8" | 1/2" | .061" | 45 | Extension | ||
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Kelley | 030-008 | 6" | 1" | 7 | Torsion | C.T.L. LH | ||
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Kelley | 030-009 | 6 1/8" | 1" | .136" | 6 | Torsion | C.T.L. RH | |
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Kelley | 030-013 | 6 1/8" | 1" | 7 | Torsion | C.T.L.-LH | ||
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Kelley | 030-060 | 2 3/8" | 1/2" | .208" | 25 | Extension | ||
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Kelley | 030-182 | 2 1/2" | 2" | 8 | Torsion | |||
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Kelley | 030-145 | 27" | 1 3/4" | .123" | 68 | Compression | Lip Assist Spring | |
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Ellis | 15-012 | 8 3/8" | 5/8" | .068" | 120 | Extension | Lip Latch | |
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McGuire | 113-116 | 43 3/4" | 1 1/2" | 90 | Compression | Lip Extension | ||
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McGuire | 113-265 | 35 1/8" | 2 1/4" | .315" | 51 | Compression | Booster Spring | |
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Kelley | 030-231 | 32 5/8" | 2 5/8" | 37 | Compression | |||
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Rite-Hite | 126374 | 29" | 3 1/2" | .468" | 52 | Extension | Main Lifting Spring | |
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Rite-Hite | 116951 | 29 1/4" | 3 1/2" | .437" | 54 | Extension | Red | |
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Kelley | 705-820 | 24 1/4" | 4" | .500" | 38 | Extension | Spring B-Basket | |
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Rite-Hite | 52115 | 22 3/4" | 3 3/8" | .373" | 48 | Extension | ||
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DLM | DOTH2574 | 22 1/8" | 4 3/4" | .531" | 26 | Extension | Main Spring (OTH2574) | |
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Rite-Hite | 52041 | 23" | 1 5/8" | .261" | 55 | Compression | Lip Assist Spring | |
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Kelley | 030-062 | 23" | 1 7/8" | .208" | 40 | Extension | ||
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Kelley | 030-031 | 13 1/4" | 3/4" | .085" | 130 | Extension | ||
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Serco | 333-030 | 12" | 1 1/4" | .158" | 58 | Extension | Booster | |
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Poweramp | 0941-0013 | 11 3/8" | 3/4" | 111 | Extension | Lip Latch | ||
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Kelley Atlantic | 13-0294 | 8 3/8" | 1/2" | .047" | 90 | Extension | Below Dock Leg Return Spring | |
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Kelley | 101-097 | 11" | 1/2" | .175" | 50 | Extension | ||
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Kelley | 101-063 | 10 5/8" | 2" | .208" | 39 | Extension | ||
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Serco | 333-033 | 9 1/4" | 1" | .129" | 48 | Extension | Spring (handle) | |
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DLM | DOTH2520 | 6 1/8" | 5 3/8" | .360" | 12 | Extension | EOD Spring (OTH2520) | |
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Serco | 333-036 | 5 3/8" | 5 1/4" | .366" | 6 | Extension | for EOD Leveler | |
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Kelley | 030-224 | 5 1/4" | 3/4" | .071" | 56 | Extension | ||
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Serco | 332-066 | 5 1/8" | 5/8" | 27 | Compression | Holdown Spring, Lever | ||
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Kelley | 101-081 | 5" | 5/8" | 5 | Torsion | Toggle Spring ( N/S 6' Yieldable Rod) | ||
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Kelley | 030-117 | 4" | 1 1/2" | 9 | Compression | Use on 028-063 Lip Latch | ||
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OHD | 51-70 | 4" | 1" | .122" | 21 | Extension | Spring (slide bar return) | |
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Kelley | 030-072 | 3 5/8" | 1/2" | .061" | 45 | Extension | ||
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Blue Giant | 109-017 | 3 5/8" | 1" | .062" | 34 | Extension | ||
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Kelley | 030-037 | 3 5/8" | 1" | .050" | 34 | Extension | Cable Spring ( Panic Stop ) | |
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Kelley | 101-085 | 3 5/8" | 1" | .085" | 22 | Extension | ||
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Kelley | 030-118 | 2 1/8" | 1/2" | .065" | 26 | Extension | ||
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Kelley | 030-185 | 1 3/4" | 5/8" | .065" | 10 | Compression | Panic Valve |
Spring table filters with measurements use fuzzy matching.