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Frame Undercarriage Riser Assembly

Find replacement frame and undercarriage components for pallet jacks, walkie stackers, and forklifts — the structural chassis parts that support the load-bearing and drive systems of your equipment. Our Frame Undercarriage collection covers fork assemblies, chassis components, undercarriage brackets, and structural hardware for the most common material handling equipment in service today.

Compatible equipment brands include Crown, Yale, Hyster, Toyota, BT Prime Mover, Raymond, and other major OEM and aftermarket manufacturers. Frame and undercarriage parts are matched by equipment make, model, and serial number range for verified fitment.

Parts categories available:

  • Fork Assemblies — complete fork sets and individual fork tines for pallet jacks and forklifts
  • Chassis Brackets & Mounts — structural brackets for motor, battery, and component mounting
  • Undercarriage Plates & Guards — floor plates, belly guards, and undercarriage protection panels
  • Pivot Pins & Bushings — structural pivot hardware for fork and frame articulation points
  • Frame Weldments — replacement frame sections for structural repairs

How to identify the right frame part: Note your equipment's make, model, and serial number from the data plate. Frame and undercarriage parts are highly model-specific — always cross-reference with your OEM parts manual or contact our team with your serial number for a verified fitment recommendation.

With 440+ frame and undercarriage SKUs in stock, most parts ship same or next business day from our US warehouse.

Clear all
  • YL 643182400-A, Riser, Wheel & Axle Assy
    Up to $28.63 off

    YL 643182400-A

    $119.64
    $119.64 $148.27
  • CR 805920-002, Riser Assembly Incl lube fitting and bushing
    Up to $33.96 off

    CR 805920-002

    $74.57
    $74.57 $108.53
  • YL 524177337, RISER
    Up to $48.07 off

    YL 524177337

    $199.13
    $199.13 $247.20
  • HY 2302730-A, Riser, Wheel & Axle Assy
    Up to $28.63 off

    HY 2302730-A

    $119.64
    $119.64 $148.27
  • RA 1025351-002, Fork Riser (6000 lbs Cap.)
    Up to $18.66 off

    RA 1025351-002

    $98.39
    $98.39 $117.05
  • CR 054011-006, Lube Fitting
    Up to $0.11 off

    CR 054011-006

    $0.71
    $0.71 $0.82
  • YL 643182400, Yale bell crank riser load wheel for MP 040 AC MPB 040 AC
    Up to $8.12 off

    YL 643182400

    $52.73
    $52.73 $60.85
  • HY 2302730, Hyster Polyurethane Wheel for W 40 XL/W 40 XT Pallet Trucks
    Up to $8.12 off

    HY 2302730

    $52.73
    $52.73 $60.85
  • Up to $35.41 off

    YL 643182400-XL-A

    $150.68
    $150.68 $186.09
  • HY 2039904, Riser
    Up to $48.07 off

    HY 2039904

    $199.13
    $199.13 $247.20
  • YL 524246188, Riser
    Up to $198.43 off

    YL 524246188

    $315.80
    $315.80 $514.23
  • RA 1025353-002, Fork Riser (8000 lbs Cap.)
    Up to $11.53 off

    RA 1025353-002

    $74.99
    $74.99 $86.52
  • HY 3011678, Hyster bell crank for W40XL/W40XT lift trucks
    Up to $8.12 off

    HY 3011678

    $52.73
    $52.73 $60.85
  • HY 2079957, RISER
    Up to $198.43 off

    HY 2079957

    $315.80
    $315.80 $514.23
  • CR 115491, Riser

    CR 115491

    Call for Price

Frame Undercarriage Riser Assembly — fitment by model

Fits models Part # Wheel size Bore Price
MP 040 AC, MPB 040 AC YL 643182400-A 3.25" × 4.5" — $119.64
WP2000, WP2300, WP3000, WP3035-45 CR 805920-002 — — $74.57
MPE 060, MPE 080 YL 524177337 — — $199.13
W 40 XL, W 40 XT HY 2302730-A — — $119.64
8300, 8400, 8500, 8600 RA 1025351-002 — — $98.39
GPW Walkie CR 054011-006 — — $0.71
MP 040 AC, MPB 040 AC YL 643182400 4.5" × 4.5" — $52.73
W 40 XL, W 40 XT HY 2302730 3.25" × 4.5" — $52.73
MP 040 AC, MPB 040 AC YL 643182400-XL-A — — $150.68
W60Z, W80Z HY 2039904 — — $199.13
MPE 060, MPE 080 YL 524246188 — — $315.80
8300, 8400, 8500 RA 1025353-002 — — $74.99
W40XL, W40XT HY 3011678 — — $52.73
W60Z, W80Z HY 2079957 — — $315.80
PE 4000 CR 115491 — — Call

Not sure which fits? Call 1-800-669-7554.