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-Pressurizer Motor Only for Ag Chem AG331467-Melroe, BM11217
SKU:QFS-BM11217
Blower Motor-Pressurizer Motor Only for Ag Chem AG331467-Melroe
Blower Motor-Pressurizer Motor Only for Ag Chem, Melroe replaces OEM number AG331467. Vented Motor Mack, Peterbilt. Built for reliable replacement performance, this part is a strong option for restoring proper cab comfort and equipment function.
Fits Ag Chem RoGator: 1054, 1254, RG1100 - Replaces OEM Number AG331467
Fits Ag Chem Rogator: RG700, RG700B, RG900B, RG900C, 1194, 1194H, RG1300, RG900 - Replaces OEM Number AG331467
Fits Ag Chem Terragator: TG7300B, TG7300C, TG8300B, TG8300C, TG8400B, TG8400C, TG9300B, TG9300C, 6203, 8203 and more - Replaces OEM Number AG331467
Fits Melroe Sprayer: 7655 SPRA-COUPE - Replaces OEM Number AG331467
Please verify the OEM reference number and equipment fitment before ordering.
AP Air
Blower Motor Resistor for Caterpillar 124-4040, 220-572
SKU:QFS-220-572
Blower Motor Resistor for Caterpillar 124-4040
Blower Motor Resistor for Caterpillar replaces OEM number 124-4040. Built for reliable replacement performance, this part is a strong option for restoring proper cab comfort and equipment function.
Fits Caterpillar Excavator: 311B, 312B, 312BL, 315B, 315B L, 320B, 320BL, 322B, 322BL, 325B and more - Replaces OEM Number 124-4040
Please verify the OEM reference number and equipment fitment before ordering.
AP Air
Blower Motor for Polaris 3120765, BM4645
SKU:QFS-BM4645
Blower Motor for Polaris 3120765
Blower Motor for Polaris replaces OEM number 3120765. 2017 Polaris Ranger. Built for reliable replacement performance, this part is a strong option for restoring proper cab comfort and equipment function.
Fits Polaris UTV: RANGER XP 1000 - Replaces OEM Number 3120765
Please verify the OEM reference number and equipment fitment before ordering.
AP Air
Blower Motor for Valtra ACV0160440 V36635800, BM4190
SKU:QFS-BM4190
Blower Motor for Valtra ACV0160440 V36635800
Blower Motor for Valtra replaces OEM numbers ACV0160440, V36635800. Built for reliable replacement performance, this part is a strong option for restoring proper cab comfort and equipment function.
Fits Valtra Tractor: 93H3, 93H5, A72, A82, A83H, A92, A93H, M120, N103.4H3, N103.4H5 and more - Replaces OEM Numbers ACV0160440, V36635800
Please verify the OEM reference number and equipment fitment before ordering.
AP Air
Blower Motor for Valtra V31691800, BM20054
SKU:QFS-BM20054
Blower Motor for Valtra V31691800
Blower Motor for Valtra replaces OEM number V31691800. Built for reliable replacement performance, this part is a strong option for restoring proper cab comfort and equipment function.
Fits Valtra Tractor: 6000, 6100, 6200, 6300, 6400, 6600, 6800, 6900, 8000, 8050 and more - Replaces OEM Number V31691800
Please verify the OEM reference number and equipment fitment before ordering.
AP Air
Blower Motor Resistor for John Deere AH235220, 220-571
SKU:QFS-220-571
Blower Motor Resistor for John Deere AH235220
Blower Motor Resistor for John Deere replaces OEM number AH235220. Built for reliable replacement performance, this part is a strong option for restoring proper cab comfort and equipment function.
Fits John Deere Combine: S550, S650, S660, S670HM, S680 HM, S690, S690 HM, S760, S770, S780 and more - Replaces OEM Number AH235220
Fits John Deere Forage Harvester: 8100, 8200, 8300, 8400, 8500, 8600, 8700, 8800, 9500, 9600 and more - Replaces OEM Number AH235220
Fits John Deere Sugar Cane Harvester: CH570, CH960 - Replaces OEM Number AH235220
Please verify the OEM reference number and equipment fitment before ordering.
AP Air
Blower Motor for Valtra ACV0236180, BM3945
SKU:QFS-BM3945
Blower Motor for Valtra ACV0236180
Blower Motor for Valtra replaces OEM number ACV0236180. Built for reliable replacement performance, this part is a strong option for restoring proper cab comfort and equipment function.
Fits Valtra Tractor: N104H, N114EH, N124H, N134A, N154, N174, T144, T154, T174, T194 and more - Replaces OEM Number ACV0236180
Please verify the OEM reference number and equipment fitment before ordering.
AP Air
Blower Motor for Melroe 6666859, BM20017
SKU:QFS-BM20017
Blower Motor for Melroe 6666859
Blower Motor for Melroe replaces OEM number 6666859. Sealed 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 Melroe Sprayer: 220 SPRA-COUPE, 230 SPRA-COUPE - Replaces OEM Number 6666859
Please verify the OEM reference number and equipment fitment before ordering.
AP Air
Blower Motor for White 30-3133842, BM11205
SKU:QFS-BM11205
Blower Motor for White 30-3133842
Blower Motor for White replaces OEM number 30-3133842. Orange - High Speed, Red - Low Speed Vented Motor. Built for reliable replacement performance, this part is a strong option for restoring proper cab comfort and equipment function.
Fits White Tractor: 4-150, 4-175, 4-210 - Replaces OEM Number 30-3133842
Please verify the OEM reference number and equipment fitment before ordering.
AP Air
Blower Motor Resistor for Caterpillar 257-5029, 220-5446
SKU:QFS-220-5446
Blower Motor Resistor for Caterpillar 257-5029
Blower Motor Resistor for Caterpillar replaces OEM number 257-5029. Built for reliable replacement performance, this part is a strong option for restoring proper cab comfort and equipment function.
Fits Caterpillar Articulated Truck: 730C2 EJ, 735C, 740C, 745C - Replaces OEM Number 257-5029
Fits Caterpillar Excavator: 320D, 320D2 FM, 320DL, 324D FM, 330D FM, 558 - Replaces OEM Number 257-5029
Fits Caterpillar Forestry Swing Machine: 320D FM - Replaces OEM Number 257-5029
Fits Caterpillar Motor Scraper: 613G - Replaces OEM Number 257-5029
Fits Caterpillar Track Dozer: D10T, D6N, D6N LGP, D6N XL, D6R III, D6R XL, D6T XL - Replaces OEM Number 257-5029
Fits Caterpillar Truck: 725C Articulated, 730C Articulated, 735 Articulated, 735B Articulated, 740 Articulated, 740B Articulated, 770 Quarry, 770G Quarry, 772G Quarry - Replaces OEM Number 257-5029
Please verify the OEM reference number and equipment fitment before ordering.
AP Air
Blower Motor Resistor for Caterpillar 384-7501, 220-5444
SKU:QFS-220-5444
Blower Motor Resistor for Caterpillar 384-7501
Blower Motor Resistor for Caterpillar replaces OEM number 384-7501. 3 Terminal, 12V. Built for reliable replacement performance, this part is a strong option for restoring proper cab comfort and equipment function.
Fits Caterpillar Backhoe: 426F2, 432F2, 440, 450, 415F2, 416, 416F2, 420F2, 426, 427F2 and more - Replaces OEM Number 384-7501
Please verify the OEM reference number and equipment fitment before ordering.
AP Air
Blower Motor Resistor for Caterpillar 236-5068, 220-5445
SKU:QFS-220-5445
Blower Motor Resistor for Caterpillar 236-5068
Blower Motor Resistor for Caterpillar replaces OEM number 236-5068. 3 Terminal Length: 2.270" Width: 1.475". Built for reliable replacement performance, this part is a strong option for restoring proper cab comfort and equipment function.
Fits Caterpillar Skid Steer Loader: 216, 232, 236, 242, 246, 247, 248, 252, 257, 262 and more - Replaces OEM Number 236-5068
Please verify the OEM reference number and equipment fitment before ordering.