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  • AP AIR, INC.
  • 805 13th Street North
  • Humboldt, IA 50548
  • 800-806-5312
  • 1101 Center Street
  • Redding, CA 96001
  • 855-984-8511

KUBOTA M4900 TRACTOR

Model Specifications

Compressor Type R134 Refrigeration (lbs) Compressor Oil (oz) Compressor Oil Viscosity
Denso - 10P2.254.5ND8
Denso - SC2.253ND8

A/C Hose

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Compressor to Condenser Hose

3A611-72230

Serial Number 12983 and Below for CAB Models
Serial Number 52260 and Below for DT-CAB American
Serial Number 52540 and Below for DT-CAB Canadian

Receiver Drier to Expansion Valve Hose

3A651-87120

Serial Number 12970 and Below for CAB Models
Serial Number 53142 and Below for DT-CAB Models

Suction Hose

7-3A75187110

Serial Number 12983 and Below for CAB Models
Serial Number 52260 and Below for DT-CAB American
Serial Number 52540 and Below for DT-CAB Canadian

Suction Hose

3A831-87110

Serial Number 12984 and Above for CAB Models
Serial Number 53341 and Above for DT-CAB Models

Condenser to Receiver Drier Tube

3G710-50100

Serial Number 12983 and Below for CAB Models
Serial Number 53340 and Below for DT-CAB Models

Compressor to Condenser Hose

3A621-72230

Serial Number 52261 to 53340 for DT-CAB Models

Suction Hose

3A621-87110

Serial Number 52261 to 53340 for DT-CAB American
Serial Number 52541 to 53340 for DT-CAB Canadian

Receiver Drier to Expansion Valve Hose

3A651-87122

Serial Number 12971 to 12983 for CAB Models
Serial Number 53143 to 53340 for DT-CAB Models

Compressor to Condenser Hose

3A811-72230

Serial Number 12984 and Above for CAB Models
Serial Number 53341 and Above for DT-CAB Models

Condenser to Receiver Drier Hose

3A831-50100

Serial Number 12984 and Above for CAB Models
Serial Number 53341 and Above for DT-CAB Models

Receiver Drier to Expansion Valve Hose

3A831-87120

Serial Number 12984 and Above for CAB Models
Serial Number 53341 and Above for DT-CAB Models

Belts

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Belt

34070-79320

CAB Serial Number 12983 and Below
DT-CAB Serial Number 53340 and Below

Blower Motors

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Blower Resistor

3A851-72180

CAB Serial Number 12984 and Above
DT-CAB Serial Number 53341 and Above

Blower Motor

3G710-72150

CAB Serial Number 12222 and Below
DT-CAB Serial Number 52260 and Below

Blower Motor

3G910-72150

CAB Serial Number 12223 - 12983
DT-CAB Serial Number 52261 - 53340

Blower Motor

3A851-72150

CAB Serial Number 12984 and Above
DT-CAB Serial Number 53341 and Above

Blower Wheel

T1065-72140

CAB Serial Number 12983 and Below
DT-CAB Serial Number 53340 and Below

Compressor Clutches

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Denso Clutch - 122mm, Single Groove Clutch, 12V

6A671-97310

Fits 503-170 or 503-175 Compressors

Compressor Kits

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Ag A/C Kit with Condenser

CAB Serial Number 12984 and Above
DT-CAB Serial Number 53341 and Above

Includes Compressor, Condenser, Receiver Drier, Expansion Valve and O-Rings

Can use Aftermarket Kit - 890-170243

Ag A/C Kit with Condenser

Includes 503-175 Compressor, Condenser, Receiver Drier, Expansion Valve and O-Rings

Can use Aftermarket Kit - 890-175143

Ag A/C Kit

Includes 503-180 Compressor, Condenser, Receiver Drier, Expansion Valve and O-Rings

Can use Alternative Kit - 890-180043

Compressors

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Original Denso SCSA06C with 1 Groove Clutch

6A671-97114, 6A671-97110

CAB Serial Number 12984 and Above
DT-CAB Serial Number 53341 and Above

Alternative Denso SCSA06C with 1 Groove Clutch

6A671-97114, 6A671-97110

CAB Serial Number 12984 and Above
DT-CAB Serial Number 53341 and Above

New Original Denso SCS06 With Single Groove Clutch

T1065-72213

CAB Serial Number 12223 - 12983
DT-CAB Serial Number 52261 - 53340

New Denso Aftermarket Version SCS06 With Single Groove Clutch

T1065-72213

CAB Serial Number 12223 - 12983
DT-CAB Serial Number 52261 - 53340

New 10PO8E Compressor With Clutch - Kubota

T0070-87290

CAB Serial Number 12222 and Below
DT-CAB Serial Number 52260 and Below

Must Reuse Original Manifold

Alternative Denso Compressor 10PO8E - 122mm, Single Groove Clutch, 12V

T0070-87290

CAB Serial Number 12222 and Below
DT-CAB Serial Number 52260 and Below

Must Reuse Original Manifold

Condensers

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Condenser

3G710-50040

CAB Serial Number 12983 and Below
DT-CAB Serial Number 53340 and Below

Parallel Flow, Non-Serviceable Design

Condenser

3A851-50040

CAB Serial Number 12984 and Above
DT-CAB Serial Number 53341 and Above

Parallel Flow, Non-Serviceable Design

Evaporators

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Evaporator

T0270-87340

CAB Serial Number 12983 and Below
DT-CAB Serial Number 53340 and Below

Evaporator

3A851-72100

CAB Serial Number 12984 and Above
DT-CAB Serial Number 53341 and Above

Evaporator Kit

3A851-72100

CAB Serial Number 12984 and Above
DT-CAB Serial Number 53341 and Above

Includes Evaporator, Expansion Valve, and O-Rings

Expansion Valves

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Expansion Valve - Internally Equalized

T1065-72170

CAB Serial Number 12983 and Below
DT-CAB Serial Number 53340 and Below

Expansion Valve - Block Valve

3A851-72170

CAB Serial Number 12984 and Above
DT-CAB Serial Number 53341 and Above

Heater Actuators

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Heater Actuator

T1275-72200

Fits CAB Models

Heaters, Heater Cores

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Heater Core

3A851-72130

CAB Serial Number 12984 and Above
DT-CAB Serial Number 53341 and Above

Radiators

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Radiator

H3A20-17100, 3A231-17100

Fits All Models without Cab

Radiator

H3A60-17100, 3A611-17100

Fits Models with Cab and DT Models with Cab

Rec Driers/Accumulators

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Heavy Duty Dry-Tech Receiver Drier

T0070-79270

Fits CAB and DT-CAB Models

Standard Duty Receiver Drier

T0070-79270

Fits CAB and DT-CAB Models

Switches/Electrical

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Blower Switch

T1065-72120, T1065-72122

CAB Serial Number 12983 and Below
DT-CAB Serial Number 53340 and Below

Thermostatic Switch

T1065-72162, T1065-72160

Fits CAB and DT-CAB Models

Binary Pressure Switch

Fits CAB and DT-CAB Models

Binary Switch Update - Lower Pressure Setting for R134a Systems

33770-96290

Shuts Compressor Off at 325 psi Instead of 450 psi
Fits CAB and DT-CAB Models

Low Pressure Switch - Mounted on High Side

3A761-96290

Fits CAB and DT-CAB Models

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