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Frame Undercarriage MP MPBB 040 AC

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.

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  • GWK-MPB040AC-LW, Load Wheel Kit Poly 95A, Yale MPB 040 AC
    Up to $21.91 off

    GWK-MPB040AC-LW

    $63.97
    $63.97 $85.88
  • YL 643182400-A, Riser, Wheel & Axle Assy
    Up to $28.63 off

    YL 643182400-A

    $119.64
    $119.64 $148.27
  • YL 065269600-A, Poly Load Wheel Assembly, Incl Bearings
    Up to $7.97 off

    YL 065269600-A

    $29.45
    $29.45 $37.42
  • YL 065269600-KIT, Load wheel kit for Yale mp/MPB 040 AC - MP 040 AC
    Up to $21.91 off

    YL 065269600-KIT

    $63.97
    $63.97 $85.88
  • YL 065269600, Poly Load Wheel, 95-A
    Up to $6.26 off

    YL 065269600

    $24.16
    $24.16 $30.42
  • GWK-MPB040AC-LW-XL, Load Wheel Kit for Yale MPB040AC
    Up to $21 off

    GWK-MPB040AC-LW-XL

    $136.55
    $136.55 $157.55
  • YL 640374100, Load Wheel Axle
    Up to $0.82 off

    YL 640374100

    $5.36
    $5.36 $6.18
  • YL 055929200, Roll Pin
    Up to $0.30 off

    YL 055929200

    $0.37
    $0.37 $0.67
  • YL 065055200, Load wheel washer
    Up to $0.18 off

    YL 065055200

    $1.17
    $1.17 $1.35
  • YL 064948400, Bearing, 17mm ID
    Up to $1.14 off

    YL 064948400

    $1.48
    $1.48 $2.62
  • YL 023023600, Roll Pin
    Up to $0.23 off

    YL 023023600

    $0.79
    $0.79 $1.02
  • 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
  • YL 640434100, Bushing

    YL 640434100

    $24.21
    $24.21 $22.48
  • YL 504734200, Pivot Pin
    Up to $0.17 off

    YL 504734200

    $8.31
    $8.31 $8.48
  • Up to $35.41 off

    YL 643182400-XL-A

    $150.68
    $150.68 $186.09
  • YL 500227905, Retaining Ring
    Up to $0.17 off

    YL 500227905

    $1.11
    $1.11 $1.28
  • YL 064857200, Pin
    Up to $1.27 off

    YL 064857200

    $4.84
    $4.84 $6.11
  • YL 023024200, Roll Pin
    Up to $0.27 off

    YL 023024200

    $0.57
    $0.57 $0.84
  • YL 015628700, Lube Fitting
    Up to $0.11 off

    YL 015628700

    $0.71
    $0.71 $0.82
  • YL 015631500, Lube Fitting
    Up to $0.24 off

    YL 015631500

    $0.52
    $0.52 $0.76
  • YL 751776300, Spacer
    Up to $0.36 off

    YL 751776300

    $0.45
    $0.45 $0.81
  • YL 723660100, Bushing

    YL 723660100

    Call for Price
  • YL 641786101, Pin, Lift Cylinder
    Up to $6.18 off

    YL 641786101

    $4.45
    $4.45 $10.63
  • YL 518360601, Pin, Bell Crank - 27 Wide Forks
    Up to $9.57 off

    YL 518360601

    $52.65
    $52.65 $62.22
  • YL 507167800, Lube Fitting
    Up to $0.24 off

    YL 507167800

    $0.52
    $0.52 $0.76
  • YL 504600200, Pin, Stainless
    Up to $16.06 off

    YL 504600200

    $48.20
    $48.20 $64.26
  • YL 503688200, Pin
    Up to $3.61 off

    YL 503688200

    $23.51
    $23.51 $27.12
  • YL 502447503, Push Rod
    Up to $19.66 off

    YL 502447503

    $78.72
    $78.72 $98.38
  • YL 015631300, Lube Fitting
    Up to $0.24 off

    YL 015631300

    $0.52
    $0.52 $0.76
  • YL 014970800, Nut
    Up to $0.17 off

    YL 014970800

    $0.31
    $0.31 $0.48
  • YL 014805000, Set Screw
    Up to $0.22 off

    YL 014805000

    $0.98
    $0.98 $1.20
  • YL 065269600-KIT-XL, Load Wheel Kit for Yale MPB 040 AC - MPB 040 AC
    Up to $21 off

    YL 065269600-KIT-XL

    $136.55
    $136.55 $157.55
  • YL 016117600, Shim
    Up to $1.44 off

    YL 016117600

    $7.13
    $7.13 $8.57

Frame Undercarriage MP MPBB 040 AC — fitment by model

Fits models Part # Wheel size Bore Price
MPB040AC, MPB 040 AC GWK-MPB040AC-LW 3.25" × 4.5" — $63.97
MP 040 AC, MPB 040 AC YL 643182400-A 3.25" × 4.5" — $119.64
MP 040 AC, MPB 040 AC YL 065269600-A 3.25" × 4.5" — $29.45
MP 040 AC, MPB 040 AC YL 065269600-KIT 3.25" × 4.5" — $63.97
MP 040 AC, MPB 040 AC YL 065269600 3.25" × 4.5" — $24.16
MPB040AC, MPB 040 AC GWK-MPB040AC-LW-XL 3.25" × 4.5" — $136.55
MP 040 AC, MPB 040 AC YL 640374100 — — $5.36
MP/MPB 040 AC YL 055929200 — — $0.37
MP/MPB 040 AC YL 065055200 — — $1.17
MP/MPB 040 AC YL 064948400 — — $1.48
MP/MPB 040 AC YL 023023600 — — $0.79
MP 040 AC, MPB 040 AC YL 643182400 4.5" × 4.5" — $52.73
MPB040AC, MPB040E, MPW045E YL 640434100 — — $24.21
MP040AC, MPB040AC YL 504734200 — — $8.31
MP 040 AC, MPB 040 AC YL 643182400-XL-A — — $150.68
MP/MPB 040 AC YL 500227905 — — $1.11
MP040AC, MPB040AC YL 064857200 — — $4.84
MP/MPB 040 AC YL 023024200 — — $0.57
MSW030, MSW040, MPB040AC YL 015628700 — — $0.71
MP/MPB 040 AC YL 015631500 — — $0.52
MPB040AC YL 751776300 — — $0.45
MP040AC,MPB040AC YL 723660100 — — Call
MP 040 AC, MPB 040 AC YL 641786101 — — $4.45
MP 040AC, MPB 040AC YL 518360601 — — $52.65
MP/MPB 040 AC YL 507167800 — — $0.52
MP/MPB 040 AC YL 504600200 — — $48.20
MP 040 AC, MPB 040 AC YL 503688200 — — $23.51
MP 040 AC, MPB 040 AC YL 502447503 — — $78.72
MP040AC, MPB040AC YL 015631300 — — $0.52
MP/MPB 040 AC YL 014970800 — — $0.31
MP/MPB 040 AC YL 014805000 — — $0.98
MPB 040 AC YL 065269600-KIT-XL 3.25" × 4.5" — $136.55
MP/MPB 040 AC YL 016117600 — — $7.13

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