Waltco SB-Series Models 455/456 Liftgate Parts Diagrams | Approximate Years Pre-2000
Pre-2000 Waltco SB-Series Models 455/456 liftgate parts reference
Explore pre-2000 Waltco SB-Series Models 455/456 parts diagrams for legacy rail lift liftgates. Use this reference to compare diagram callouts, verify part numbers, and support repairs.
Compatibility and Purchasing Notice
Although the information on this page is taken from an OEM lift gate manual, if you're unsure whether this data matches your exact model and year, PLEASE contact our team. Part numbers can vary by year - even within the same model - and we're always happy to confirm the correct parts for you.
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H-FRAME ASSEMBLY – STANDARD
| Item | Qty | Part Number | Description | Actions |
|---|---|---|---|---|
| 1 | 45616349 | H Frame, SB-12, 16, 62” OAW | ||
| 1 | 45616351 | H Frame, SB-12, 16, 66” OAW | ||
| 1 | 1 | 43012050 | Rail, Curb Side | |
| 2 | 1 | 43012051 | Rail, Street Side | |
| 3 | 1 | 43016152 | Travel Plate, Curb Side | |
| 4 | 1 | 43016152 | Travel Plate, Street Side | |
| 12 | 1 | 45516571 | Access Door, 62” OAW | |
| 12 | 1 | 45616573 | Access Door, 66” OAW | |
| 13 | 5 | 75086062 | Hex Bolt, ¼-20 x 3/4 | |
| 14 | 5 | 75085164 | Tinnerman Nut, ¼” | |
| 15 | 2 | 75089564 | Rail Cap |
Reference Notice
Manual links are provided for reference only. If you have any doubt, contact us — we’re happy to verify parts and help you purchase with confidence.
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H-FRAME ASSEMBLY – ABOVE FLOOR (AF)
| Item | Qty | Part Number | Description | Actions |
|---|---|---|---|---|
| 1 | 45617060 | H Frame, SB-12, 16, 62” OAW | ||
| 45617042 | H Frame, SB-12, 16, 66” OAW | |||
| 1 | 1 | 45112380 | Rail, Curb Side | |
| 2 | 1 | 45112379 | Rail, Street Side | |
| 3 | 1 | 45112479 | Chain Cover, CS | |
| 3 | 1 | 45112478 | Chain Cover, DS | |
| 4 | 2 | 43016152 | Travel Plate | |
| 5 | 2 | 43010011 | Sprocket box | |
| 6 | 1 | 45516571 | Access Door, 62” OAW | |
| 6 | 1 | 45616573 | Access Door, 66” OAW | |
| 7 | 5 | 75086062 | Hex Bolt, ¼-20 x 3/4 | |
| 8 | 5 | 75085164 | Tinnerman Nut, ¼” | |
| 9 | 2 | 45620079 | Sprocket Box Cover |
INTERNAL H-FRAME COMPONENTS (INCLUDES ABOVE FLOOR)
| Item | Qty | Part Number | Description | Actions |
|---|---|---|---|---|
| 1 | 3 / 6 | 43020013 | Sprocket, 13T, #50 Chain | |
| 2 | 3 / 6 | 43020016 | Sprocket Pin | |
| 3 | 3 / 6 | 43020018 | Pin Retainer | |
| 4 | 3 / 6 | 7500012-1 | ¼” Lock Washer | |
| 5 | 3 / 6 | 75086874 | ¼”-20 x 5/8” lg. Hex Head Self Tapping Screw | |
| 6 | 2 / 2 | 75085111 | Hex Nut, 5/8”-18, Grade 8 | |
| 7 | 2 / 2 | 95020007 | Chain Anchor Bolt, 5/8”-18, #50 Chain | |
| 8 | 2 / 2 | 80000419 | Roller Chain Master Link, #50 Chain | |
| 9 | 16 ft / 28 ft | 82011015 | Roller Chain, #50 | |
| 10 | 0 / 2 | 44320367 | Nylon Roller |
Reference Notice
Manual links are provided for reference only. If you have any doubt, contact us — we’re happy to verify parts and help you purchase with confidence.
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LIGHT OPTION
| Item | Qty | Part Number | Description | Actions |
|---|---|---|---|---|
| 2 | 43016075 | 4 Light Kit | ||
| 2 | 43016076 | 6 Light Kit | ||
| 1 | 2 | 43016093 | Light Harness, 4 Lights | |
| 1 | 2 | 43016073 | Light Harness, 6 Lights | |
| 2 | 4/6 | 75089396 | Light Grommet | |
| 3 | 2 | 75089393 | Light, Red | |
| 4 | 2 | 75089392 | Light, Yellow (Only on 6 Light Kits) | |
| 5 | 2 | 75089394 | Light, White |
PLATFORM ASSEMBLY, STEEL – MANUAL FOLD
| Item | Qty | Part Number | Description | Actions |
|---|---|---|---|---|
| 1 | 45510001 | Platform Comp., 30x57+6 (Items 1-12) | ||
| 1 | 45510000 | Platform Comp., 30x61+6 (Items 1-12) | ||
| 1 | Platform Comp., 36x57+6 (Items 1-12) | |||
| 1 | 45610000 | Platform Comp., 36x61+6 (Items 1-12) | ||
| 1 | 45610002 | Platform Comp., 42x57+6 (Items 1-12) | ||
| 1 | 45610001 | Platform Comp., 42x61+6 (Items 1-12) | ||
| 1 | 1 | 45516304 | Platform Assy, 30x57+6 | |
| 1 | 1 | 45516303 | Platform Assy, 30x61+6 | |
| 1 | 1 | Platform Assy, 36x57+6 | ||
| 1 | 1 | 45617019 | Platform Assy, 36x61+6 | |
| 1 | 1 | 45616302 | Platform Assy, 42x57+6 | |
| 1 | 1 | 45616301 | Platform Assy, 42x61+6 | |
| 2 | 1 | 43016689 | Hinge Pin Assy, Curb Side, 3/8” TB | |
| 3 | 1 | 43016689 | Hinge Pin Assy, Street Side, 3/8” TB | |
| 4 | 2 | 43020205 | Hinge Pin Collar | |
| 5 | 2 | 7500047-6 | Collar Set Screw, ¼”-20 x 3/8” | |
| 6 | 1 | 43020037 | Torsion Bar, 3/8” x 48”, RH Pin | |
| 7 | 1 | 43020037 | Torsion Bar, 3/8” x 48”, LH Pin (36” & 42” platforms only) | |
| 8 | 1 | 75089294 | Rubber Handle | |
| 9 | 2 | 43120213 | Side Chain | |
| 10 | 2 | 43012382 | Side Chain Sleeve | |
| 11 | 2 | 75080125 | Side Chain U-Bolt | |
| 12 | 4 | 75085178 | Side Chain U-Bolt Nut |
Reference Notice
Manual links are provided for reference only. If you have any doubt, contact us — we’re happy to verify parts and help you purchase with confidence.
Have your liftgate serial number ready for faster assistance. Where to find it
PLATFORM ASSEMBLY, ALUMINUM – MANUAL FOLD
| Item | Qty | Part Number | Description | Actions |
|---|---|---|---|---|
| 1 | 45510002 | Platform Comp., 30x57+6 (Items 1-13) | ||
| 1 | 45510010 | Platform Comp., 30x61+6 (Items 1-13) | ||
| 1 | 45610010 | Platform Comp., 36x61+6 (Items 1-13) | ||
| 1 | 45610011 | |||
| 1 | 1 | 45512183 | Platform Assy, 30x57+6 | |
| 1 | 1 | 45512185 | Platform Assy, 30x61+6 | |
| 1 | 1 | Platform Assy, 36x57+6 | ||
| 1 | 1 | 45617021 | Platform Assy, 36x61+6 | |
| 1 | 1 | Platform Assy, 42x57+6 | ||
| 1 | 1 | 45617022 | Platform Assy, 42x61+6 | |
| 2 | 1 | 43016689 | Hinge Pin Assy, Street Side, 3/8” TB | |
| 3 | 1 | 43016689 | Hinge Pin Assy, Street Side, 3/8” TB | |
| 4 | 2 | 43020205 | Hinge Pin Collar | |
| 5 | 2 | 7500047-6 | Collar Set Screw, ¼”-20 x 3/8” | |
| 6 | 1 | 43020037 | Torsion Bar, 3/8” x 48”, RH Pin | |
| 7 | 1 | 43020037 | Torsion Bar, 3/8” x 48”, RH Pin (42” platforms only) | |
| 8 | 1 | 75089294 | Rubber Handle | |
| 9 | 2 | 43120213 | Side Chain | |
| 10 | 2 | 43012382 | Side Chain Sleeve | |
| 11 | 2 | 75080125 | Side Chain U-Bolt | |
| 12 | 4 | 75085178 | Side Chain U-Bolt Nut | |
| 13 | 2 | 43020174 | Torsion Bar Cover |
SLIDER ASSEMBLY
| Item | Qty | Part Number | Description | Actions |
|---|---|---|---|---|
| 1 | 1 | 43016693 | Slider Assy, DS | |
| 2 | 1 | 43016694 | Slider Assy, CS | |
| 3 | 1 | 43016695 | Slider Extrusion, DS | |
| 4 | 1 | 43016696 | Slider Extrusion, CS | |
| 5 | 2 | 43016603 | Slider Foot | |
| 6 | 2 | 43016605 | Slider Stop | |
| 7 | 2 | 95016677 | Slider Stop, Special Platform | |
| 8 | 2 | 43016602 | Wear Pad, Back | |
| 9 | 4 | 43116601 | Wear Pad, Front | |
| 10 | 8 | 75086708 | Screw, #10-32 x 3/8” Flat Head Socket | |
| 11 | 2 | 43020006 | Chain Anchor Block | |
| 12 | 2 | 80000419 | Roller Chain Master Link, #50 Chain | |
| 13 | 4 | 75085994 | Screw, 5/16”-18 x 1” Flat Head Socket |
Reference Notice
Manual links are provided for reference only. If you have any doubt, contact us — we’re happy to verify parts and help you purchase with confidence.
Have your liftgate serial number ready for faster assistance. Where to find it
HYDRAULIC & ELECTRICAL COMPONENTS
| Item | Qty | Part Number | Description | Actions |
|---|---|---|---|---|
| 1 | 1 | 43020849 | Hydraulic Pump Unit, 2400 PSI, 10” Reservoir | |
| 2 | 1 | 7043001-1 | Motor, 12V w/ Thermal Protection | |
| 3 | 1 | 70400828 | Reservoir, 10” | |
| 4 | 1 | 70092355 | Relief Valve | |
| 5 | 1 | 80001065 | Motor Solenoid | |
| 6 | 1 | 70092503 | Valve, 2 way, 2 pos w/ Coil | |
| 7 | 1 | 75083364 | Elbow, 90°, ¼ JICM x #6 SAE | |
| 8 | 1 | 70091734 | Breather | |
| 9 | 1 | 10195908 | Solenoid Cable | |
| 10 | 1 | 43010179 | Switch Assy, 2 way, 5ft. | |
| 11 | 1 | 7500026-5 | Elbow, 90° Barb | |
| 12 | 1 | 7500026-6 | Elbow, 90° Barb | |
| 13 | 1 | 43040082 | Tube, Flexible PVC, 3/16” ID x 60” | |
| 14 | 1 | 10195635 | Battery Cable, 2 Ga. x 35 ft. | |
| 15 | 1 | 43320894 | Hose Assy, ¼” x 18” lg. ¼ JIC Female | |
| 16 | 1 | U20453 | 135 Amp Circuit Breaker | |
| 17 | 1 | 75089790 | Master Disconnect Switch |
CYLINDER ASSEMBLY
| Item | Qty | Part Number | Description | Actions |
|---|---|---|---|---|
| 1 | 43010123 | Cylinder Assy Complete | ||
| 1 | 1 | 43012133 | Cylinder, 2” x 22-1/2” (Includes Head) | |
| 2 | 1 | 43012109 | Cylinder Head, Weld | |
| 3 | 1 | 43020013 | Sprocket, 13T, #50 Chain | |
| 4 | 1 | 43020108 | Sprocket, 19T, #50 Chain | |
| 5 | 1 | 75083355 | Elbow, #6 SAE Male x ¼” NPT Male | |
| 6 | 1 | 7010001-15 | Pressure Comp. Valve, 2.5 GPM | |
| 7 | 1 | 75083039 | Adapter, ¼” NPT Male x #4 JIC Male | |
| 8 | 2 | 43020016 | Sprocket Pin | |
| 9 | 2 | 7500012-1 | Lock Washer, ¼” | |
| 10 | 2 | 75086874 | Screw, ¼”-20 x 5/8” | |
| 11 | 2 | 43020018 | Pin Retainer | |
| 12 | 1 | 75088064 | Washer, 5/8” ID x 1-5/16” OD x .095” |
Reference Notice
Manual links are provided for reference only. If you have any doubt, contact us — we’re happy to verify parts and help you purchase with confidence.
Have your liftgate serial number ready for faster assistance. Where to find it
POWER CLOSE OPTION
| Item | Qty | Part Number | Description | Actions |
|---|---|---|---|---|
| 1 | 1 | 43216681 | Slider Assy, GOPC, DS | |
| 2 | 1 | 43216682 | Slider Assy, GOPC, CS | |
| 3 | 1 | 43216667 | Slider Foot, GOPC, DS | |
| 4 | 1 | 43216651 | Slider Foot, GOPC, CS | |
| 5 | 1 | 43220882 | Hose Guard, GOPC | |
| 6 | 1 | 43216800 | Cylinder, GOPC | |
| 7 | 1 | 75083371 | Elbow, 90°, ¼ JICM x #6 SAE w/ .031” Orifice | |
| 8 | 1 | 75083361 | Elbow, 90°, Bulkhead, ¼ JICM x ¼ JICM | |
| 9 | 1 | 43220893 | Hose Assy, GOPC | |
| 10 | 1 | 43220880 | Pin, Upper GOPC | |
| 11 | 2 | 43216642 | Slider Spacer | |
| 12 | 1 | 43220881 | Pin, Lower GOPC | |
| 13 | 1 | 43220895 | Selector Valve | |
| 14 | 8 | 75086218 | Hex Bolt, 3/8”-16 x 1-1/4” Grade 8 | |
| 15 | 1 | 43220894 | Hose Assy, ¼” x 18” lg, ¼ JIC Female | |
| 16 | 1 | 43220894 | Hose Assy, ¼” x 18” lg, ¼ JIC Female | |
| 17 | 1 | 34036750 | Rubber Bumper | |
| 18 | 1 | 75088053 | Washer, 3/8” ID x 1” OD x .078” Thk. | |
| 19 | 1 | 75086844 | Screw, Self Taping, 5/16” x 1” | |
| 20 | 2 | 75083362 | Elbow, 90°, ¼ JICM x #4 SAE | |
| 21 | 1 | 75083363 | Adapter, ¼” SAE x ¼” NPTM | |
| 22 | 1 | 43220879 | Wire Harness, MDL GOPC Valve |
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Contact SupportImportant Diagram Notice
These diagrams are for reference only.
- Due to unintended occasional data alignment issues, a page table may differ slightly from the original OEM PDF.
- Please verify details against the original PDF file.
- Contact our team anytime for part number confirmation.
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