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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

KOMATSU HM400-1 DUMP TRUCK

Model Specifications

Compressor Type R134 Refrigeration (lbs) Compressor Oil (oz) Compressor Oil Viscosity
Sanden2.64

Belts

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A/C Compressor Belt - 1 Groove, 62.5, Komatsu
9-2325

A/C Belt

04120-21762

Blower Motors

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Blower Motor Resistor - Komatsu
220-820

Blower Motor Resistor

ND146810-9062
Blower Motor Assembly
TBA ND116340-2890

Blower Motor Assembly

ND116340-2890

Compressors

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New Original Denso Compressor 10S15C Body With 1 Groove Clutch, 24V
503-124

New Original Denso 10S15C Compressor With 1 Groove 5/8" Clutch, 24 Volt

421-07-31220

Serial Number 1001 and Above

New Denso Aftermarket Version 10S15C Compressor With 1 Groove Clutch, 24V
503-1243

New Aftermarket Version 10S15C Compressor With 1 Groove 5/8" Clutch, 24 Volt

20Y-979-6121

Serial Number 1001 and Above

New Original Denso Compressor 10S17C Body with 1 Groove Clutch, 24V
503-1247

Original Denso Compressor 10S17C Body with 1 Groove Clutch, 24V

421-07-31220

Serial Number 10001 and Above

Condensers/Oil Coolers

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164-0588 - Caterpillar Excavator Condenser
400-9010

Condenser

20Y-979-6131

Serial Number 1234 and Above

Parallel Flow, Non-Serviceable Design

Condenser
TBA 20Y-979-6130

Condenser

20Y-979-6130

Serial Number 1233 and Below

Evaporators

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ND447600-0651 - Evaporator - Komatsu
590-6205

Evaporator

ND447600-0651

Serial Number 1052 and Below

Evaporator
TBA 567-07-7350102

Evaporator

567-07-7350102

Serial Number 1053 and Above

Expansion Valves

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Expansion Valve
903-715

Expansion Valve

ND447500-1031

Rec Driers/Accumulators

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2.5 x 10 Pad Mount - Dry-Tech Series
805-700

Heavy Duty Dry-Tech Receiver Drier

20Y-979-3120
2.5 x 10 Pad Mount
805-7001

Standard Duty Receiver Drier

20Y-979-3120

Switches/Electrical

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24 Volt Denso Relay - Komatsu
550-230

24 Volt, Komatsu Blower Relay

ND056700-8170

Serial Number 1001 & Above

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