Agricultural & Heavy Equipment AC Blower Motors & Parts
The blower motor is what puts cold air where it needs to go — into the cab and onto the operator. A failing blower motor means reduced airflow, uneven cooling, or no air movement at all, even when the rest of the AC system is functioning perfectly. In the heat of hay season or harvest, a malfunctioning blower makes a long day in the cab miserable.
Quality Farm Supply stocks blower motors and blower components for a wide range of tractors, combines, skid steers, and heavy equipment — direct-fit replacements built to OEM specifications for reliable cab comfort in demanding field conditions.
Signs Your Blower Motor Needs Replacement
- Weak or no airflow — the AC system is charged and running, but little or no air is coming through the vents
- Intermittent operation — the blower cuts in and out, often a sign of a failing motor or worn brushes
- Unusual noise — grinding, squealing, or rattling from the blower housing indicates bearing wear or debris in the fan
- Only works on certain speeds — speed control issues can point to the blower motor resistor or the motor itself
- Burning smell — an overheating blower motor is a fire risk and should be replaced immediately
Blower Motor Service Tips
- Check the cabin air filter before replacing the blower motor — a severely clogged filter can cause the motor to overwork and fail prematurely
- Inspect the blower housing for debris such as chaff, leaves, or rodent nesting material that can restrict airflow and damage the fan
- Verify voltage at the motor connector before replacement to rule out wiring or switch issues
Need a complete cab comfort solution? Pair your blower motor with a new evaporator, expansion valve, or other AC components — or shop our complete AC overhaul kits for a full system refresh in one order.
AP Air
Blower Motor for Case IH 178454A2, BM4021
SKU:QFS-BM4021
Blower Motor for Case IH 178454A2
Blower Motor for Case IH replaces OEM number 178454A2. Blower Assembly Resistor and Wiring Harness Not Included - Must Reuse Original Wiring Harness. Built for reliable replacement performance, this part is a strong option for restoring proper cab comfort and equipment function.
Fits Case IH Tractor: CX100, CX50, CX60, CX70, CX80, CX90, MX100, MX100C, MX110, MX120 and more - Replaces OEM Number 178454A2
Please verify the OEM reference number and equipment fitment before ordering.
AP Air
Blower Motor for Allis Chalmers 72249068, BM4090
SKU:QFS-BM4090
Blower Motor for Allis Chalmers 72249068
Blower Motor for Allis Chalmers replaces OEM number 72249068. Original Replacement Motor. Built for reliable replacement performance, this part is a strong option for restoring proper cab comfort and equipment function.
Fits Allis Chalmers Tractor: 6690, 8610, 8630 - Replaces OEM Number 72249068
Please verify the OEM reference number and equipment fitment before ordering.
AP Air
Blower Motor for Case IH & Ford/New Holland 87527163
SKU:QFS-BM4006
Blower Motor for Case IH & Ford/New Holland 87527163
Blower Motor for Case IH, Ford/New Holland, Terex replaces OEM number 87527163. 3 Speed External Aluminum Resistor. Built for reliable replacement performance, this part is a strong option for restoring proper cab comfort and equipment function.
Fits Case IH Tractor: DX40, DX45, DX48, DX55, DX60, FARMALL 40, FARMALL 45, FARMALL 50, FARMALL 55, FARMALL 55C and more - Replaces OEM Number 87527163
Fits Ford/New Holland Tractor: 3040 Boomer, 3045 Boomer, 3050 Boomer, 4055 Boomer, 4060 Boomer, T2310, T2320, T2410, T2420, TC40DA and more - Replaces OEM Number 87527163
Fits Terex Skidsteer: PT80
Please verify the OEM reference number and equipment fitment before ordering.
AP Air
Blower Motor for Case IH 1-34-584-635
SKU:QFS-BM3520
Blower Motor for Case IH 1-34-584-635
Blower Motor for Case IH replaces OEM numbers 87332277, 1-34-584-635. Single Speed, 2 Wire. Built for reliable replacement performance, this part is a strong option for restoring proper cab comfort and equipment function.
Fits Case IH Tractor: CS100 PRO, CS105 PRO, CS68, CS75, CS78, CS80 PRO, CS85 PRO, CS86, CS90 PRO, CS94 and more - Replaces OEM Numbers 1-34-584-635, 87332277
Please verify the OEM reference number and equipment fitment before ordering.
AP Air
Blower Motor for Case IH & International 533783R1
SKU:QFS-BM20045
Blower Motor for Case IH & International 533783R1
Blower Motor for Case IH, International replaces OEM numbers A42567, F89750, 533783R1. Original Replacement Motor, Vented, Case Grounded, Orange Wire = High Speed Red Wire = Low Speed. Built for reliable replacement performance, this part is a strong option for restoring proper cab comfort and equipment function.
Fits Case IH Tractor: 1070, 1090, 1170, 1175, 1270, 1370, 1570, 2470, 2670, 770 and more - Replaces OEM Numbers A42567, F89750
Fits International Tractor: 1456, 2856, 826, 856 - Replaces OEM Number 533783R1
Please verify the OEM reference number and equipment fitment before ordering.
AP Air
Blower Motor for Case IH & Caterpillar 3P-8379
SKU:QFS-BM24215
Blower Motor for Case IH & Caterpillar 3P-8379
Blower Motor for Case IH, Caterpillar, Volvo replaces OEM numbers 631991C91, A44302, D72759, 3P-8379. Vented Motor Stud or Strap Mount. Built for reliable replacement performance, this part is a strong option for restoring proper cab comfort and equipment function.
Fits Case IH Tractor: 1470 - Replaces OEM Number A44302
Fits Case IH Wheel Loader: W14 Wheel, W14C Wheel, W14FL Wheel, W18 Wheel, W20 Wheel, W20B Wheel, W24B Wheel, W36 Wheel - Replaces OEM Number D72759
Fits Caterpillar Excavator: 225 - Replaces OEM Number 3P-8379
Fits Caterpillar Motor Grader: 12F - Replaces OEM Number 3P-8379
Fits Caterpillar Motor Scraper: 631D - Replaces OEM Number 3P-8379
Fits Caterpillar Track Dozer: D8K - Replaces OEM Number 3P-8379
Please verify the OEM reference number and equipment fitment before ordering.
AP Air
Blower Motor for Bobcat 7006234
SKU:QFS-BM4110
Blower Motor for Bobcat 7006234
Blower Motor for Bobcat replaces OEM numbers 7028698, 7006234. Built for reliable replacement performance, this part is a strong option for restoring proper cab comfort and equipment function.
Fits Bobcat Excavator: E55W, E60, E62, E63, E80, E85 - Replaces OEM Numbers 7006234, 7028698
Please verify the OEM reference number and equipment fitment before ordering.
AP Air
Blower Motor for Agco/Allis 70256769
SKU:QFS-BM20016
Blower Motor for Agco/Allis 70256769
Blower Motor for Agco/Allis replaces OEM number 70256769. Built for reliable replacement performance, this part is a strong option for restoring proper cab comfort and equipment function.
Fits Agco/Allis Tractor: 200, 210, 220, 220 FWA - Replaces OEM Number 70256769
Please verify the OEM reference number and equipment fitment before ordering.
AP Air
Blower Motor Assembly, Single Speed for Case IH 1999670C1
SKU:QFS-BM4032
Blower Motor Assembly, Single Speed for Case IH 1999670C1
Blower Motor Assembly, Single Speed for Case IH replaces OEM numbers 1999670C1, A187600, F96902, F44875. Replaces OE Assembly Single Speed, 2 Wire Assembly. Built for reliable replacement performance, this part is a strong option for restoring proper cab comfort and equipment function.
Fits Case IH Backhoe: 680H, 680K, 780B, 780C - Replaces OEM Numbers 1999670C1, A187600, F96902
Fits Case IH Crawler: 1150C, 1150D, 1150E, 1150G, 1150H, 1155D, 1155E, 1450B, 1550, 850D and more - Replaces OEM Numbers 1999670C1, A187600, F44875, F96902
Fits Case IH Wheel Loader: 821 Wheel, W14B Wheel, W14C Wheel, W20C Wheel, W30 Wheel - Replaces OEM Numbers 1999670C1, A187600, F96902
Please verify the OEM reference number and equipment fitment before ordering.
AP Air
Blower Motor Assembly With Resistor 3 Speed, 12 Volt for Claas
QFS-BM40881
Blower Motor Assembly With Resistor 3 Speed, 12 Volt for Claas
Blower Motor Assembly With Resistor 3 Speed, 12 Volt for Claas replaces OEM numbers 600.502.902.0, 0011350620, 6005029020. Fits Claas and Renault Tractors. Built for reliable replacement performance, this part is a strong option for restoring proper cab comfort and equipment function.
Fits Claas Tractor: Arion 410, Arion 420, Arion 430, Arion 510, Arion 520, Arion 530, Arion 540, Arion 610, Arion 610C, Arion 620 and more - Replaces OEM Numbers 0011350620, 6005029020
Please verify the OEM reference number and equipment fitment before ordering.
AP Air
Blower Motor Assembly With 3 Speed Resistor for Case IH A167399
SKU:QFS-BM4018
Blower Motor Assembly With 3 Speed Resistor for Case IH A167399
Blower Motor Assembly With 3 Speed Resistor for Case IH replaces OEM numbers A167399, A176904, A42568, F36903. Early Serial Number Tractors with 205-118 Switch Must Order 205-103 Blower Switch Up To 60% Air Flow Improvement. Built for reliable replacement performance, this part is a strong option for restoring proper cab comfort and equipment function.
Fits Case IH Crawler: 1150E, 1150H, 1450B
Fits Case IH Tractor: 1490, 1690, 2090, 2096, 2290, 2390, 2470, 2590, 2670, 2870 and more - Replaces OEM Numbers A167399, A176904, A42568, F36903, F42775 and more
Please verify the OEM reference number and equipment fitment before ordering.
AP Air
Blower Motor Assembly Update Kit for Massey Ferguson 1610023M94
SKU:QFS-BM40432
Blower Motor Assembly Update Kit for Massey Ferguson 1610023M94
Blower Motor Assembly Update Kit for Massey Ferguson replaces OEM numbers 1610023M94, 1680361M91, 1894729M91. Can be Used in Place of OE# 1680361M91 BM4043 Assembly. Built for reliable replacement performance, this part is a strong option for restoring proper cab comfort and equipment function.
Fits Massey Ferguson Tractor: 2640, 2675, 2705, 2745, 2775, 2805, 3505, 3525, 3545 - Replaces OEM Numbers 1610023M94, 1680361M91, 1894729M91
Please verify the OEM reference number and equipment fitment before ordering.