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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

CATERPILLAR D11N TRACK DOZER

Model Specifications

Compressor Type R134 Refrigeration (lbs) Compressor Oil (oz) Compressor Oil Viscosity
Sanden5.5

A/C Hose

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119-6402 - Compressor to Condenser Hose
7-1196402

Compressor to Condenser Hose

102-9949

Belts

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A/C Compressor Belt - 1 Groove, 40.2
9-1150

Compressor Belt

7C-8236

Length 40.2"

A/C Compressor Belt - 1 Groove, 41.5
9-1744

A/C V-Belt - 41.5"

1P-9744

Fits 4HK, 74Z

Blower Motors

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24 Volt, Single Speed, 2 Wire, 5/16 Shaft, Caterpillar Blower Motor
BM11262

Blower Motor - 24 Volt

2G-0409, 8P-9982, 9G-0397

Cab Products/Filters

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1T1890 - Cab Filter - Caterpillar
320-1T1890

Cab Filter

1T1890
7T-7358 - Cab Filter - Caterpillar
320-7358

Cab Filter

7T-7358

Compressors

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Reman 24 Volt 2 oclock 6.77 CL Superheat Compressor
500-022

Reman Compressor 2 o'clock 6.77" CL Superheat, 24V

3T-1742, 7N-4296, 2P-8232

Must Identify by Compressor
Fits 74Z

New 24 Volt 2 oclock 6.77 CL Plain Head Compressor
500-026

A6 Compressor - 2 o'clock 6.77" Plain Head, 24V

3T-1742, 7N-4296, 2P-8232

Must Identify by Compressor
Fits 74Z

OE Sanden Compressor SD7H15 - 138mm, 1 Groove Clutch 12V
509-580

OE Sanden Compressor SD7H15 - 138mm, Single Groove Clutch 12V

3E-3658

Fits 4HK

Can Use Aftermarket Sanden - 509-5803

Alternative Compressor SD7H15 - 138mm, 1 Groove Clutch 12V
509-5803

Alternative Compressor SD7H15 - 138mm, Single Groove Clutch 12V

3E-3658

Fits 4HK - Aftermarket Version

OE Sanden Compressor SD7H15 - 138mm, 1 Groove Clutch 24V
509-586

OE Sanden Compressor SD7H15 - 138mm, Single Groove Clutch, 24V

1P-6416, 101-1759, 3E-1906

Fits 4HK, 74Z

Can Use Aftermarket Sanden - 509-5863

Alternative Compressor SD7H15 - 138mm, 1 Groove Clutch 24V
509-5863

Alternative Compressor SD7H15 - 138mm, Single Groove Clutch, 24 Volt

101-1759, 3E-1906, 1P-6416

Fits 4HK, 74Z

Condensers/Oil Coolers

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Condenser
TBA 7W-5112

Condenser

7W-5112

Fits 4HK, 74Z

Evaporators

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Evaporator
TBA 106-5123

Evaporator

106-5123

Fits 4HK

Evaporator
TBA 7T-6069

Evaporator

7T-6069

Fits 74Z

Expansion Valves

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Externally Equalized With 14 Capillary Tube
902-210

Expansion Valve

2G-0401

Fits 74Z

Lights/HD LED

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9X-9484 - LED Flood Beam Light - 4 x 4 x 3 1/4
3-54040

LED Flood Beam Light

9X-9484

Radiators

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7W9541 - Caterpillar Radiator Core
RC92045

Radiator Core

7W-9541

R Series Core

117-4938 - Caterpillar Radiator Core
RC92357

Radiator Core

117-4938

Modular Core

Rec Driers/Accumulators

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2 1/2 X 13 3/4 Quick Coupler - Dry-Tech Series
800-135

Recevier Drier With Quick Couplers and Orifice Tube - Dry-Tech Series

3E-3535

Fits 4HK

3E-3535, 175-7162 - Receiver Drier - Caterpillar
800-1351

Receiver Drier With Quick Couplers and Orifice Tube - Aftermarket

3E-3535

Fits 4HK

3 1/2 x 9 3/4 Female O-Ring
803-459

Accumulator Without Desiccant - Cat OE Steel

186-6189, 151-5261, 101-8789, 106-1018
4 x 8 Quick Coupler - Dry-Tech Series
804-531

HD Dry-Tech Series Drier

9W-0549

Fits 74Z

4 x 8 Quick Coupler
804-5311

Aftermarket Receiver Drier

9W-0549

Fits 74Z

Switches/Electrical

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6P-3236 - Caterpillar 3 Speed Blower Switch
205-148

Blower Switch

6P-3236
Preset Thermostatic Switch - Caterpillar
210-973

Thermostatic Switch

3E-5464

Fits 4HK

Binary Pressure Switch, Normally Open
220-1051

Binary Pressure Switch, 7/16" - 20 Female Flare Thread Normally Open

114-5333 - Binary Pressure Switch Update Kit, Normally Open - Caterpillar
220-10512

Cat Binary Pressure Switch Update Kit

114-5333

Includes Aftermarket Wire Harness
For Switch Only Order a 220-1051
Fits 4HK

114-5333 - Cat Binary Pressure Switch, Normally Open with Aftermarket Wire Harness
220-1052

Binary Switch with Aftermarket Wire Harness and Connector

114-5333

Includes Aftermarket Wire Harness
For Switch Only Order a 220-1051
Fits 4HK

114-5333 - Cat Binary Pressure Switch, Normally Open with OE Wire Harness and Connector with Solid Pins
220-1052HD

Binary Pressure Switch with HD OE Wire Harness and Connector

114-5333

Includes Heavy Duty OE Wire Harness
For Switch Only Order a 220-1051

Thermostatic Switch
TBA 7T-9277

Thermostatic Switch

7T-9277

Fits 74Z

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