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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 307 EXCAVATOR

Model Specifications

Compressor Type R134 Refrigeration (lbs) Compressor Oil (oz) Compressor Oil Viscosity
Sanden2 - 2.2

Belts

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A/C Compressor Belt - 1 Groove, 51.5
9-0007

A/C Belt

5M-8135

Length - 51 1/2"

A/C Compressor Belt - 1 Groove, 42.5
9-1734

A/C Belt

061-7139

Length 42.5"

Blower Motors

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3 Speed Blower Switch
205-103

Blower Switch

258-4272
275-3993 Blower Speed Resistor
220-651

Blower Motor Resistor

146-6382
24 Volt Single Speed, 2 Wire, 5/16 Shaft, Caterpillar
BM24226

Blower Motor, 24V

174-1486
4 1/2 Diameter Blower Wheel, 5/16 Shaft - Caterpillar
BW240

Blower Wheel

100-3426
Blower Motor
TBA 520-3550

Blower Motor

520-3550

Cab Products/Filters

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120-7448 - Air Filter - Caterpillar
320-1207448

Air Filter

120-7448

16" L x 6 3/8" H x 1/2" W

Compressors

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OE TCCI Compressor SD7H13 - 125mm, 2 Groove Clutch 12V
509-39952

Original TCCI SD7H13 Compressor, 2 Groove Clutch

415-2557
OE Sanden Compressor SD7H15 - 138mm, 1 Groove Clutch 24V
509-586

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

3E-1906

Can Use Alternative Sanden - 509-5863

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

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

3E-1906

Condensers/Oil Coolers

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Condenser
TBA 415-5038

Condenser

415-5038

Evaporators

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435-2935 - Caterpillar Evaporator
590-2532

Evaporator

435-2935

Expansion Valves

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Expansion Valve
903-738

Expansion Valve

306-5618

Heaters, Heater Cores

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Heater Core
TBA 435-2936

Heater Core

435-2936

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

Receiver Drier With Quick Couplers and Orifice Tube - Aftermarket

3E-3535
3 x 9 Male O-Ring - Dry-Tech Series
803-3275

Heavy Duty Receiver Drier

415-5056
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

Switches/Electrical

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Preset Thermostatic Switch - Caterpillar
210-973

Thermostatic Switch

3E-5464
449-2023 - Cat Electronic Thermostatic Switch
210-982

Thermostatic Switch

449-2023
236-6923 - Binary Pressure Switch, Normally Open - Caterpillar
220-1058

Binary Pressure Switch

236-6923
114-5334 - Binary Pressure Switch, Normally Open - Caterpillar
220-1062

Binary Pressure Switch, Normally Open, 7/16" x 20 Thread

114-5334

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