PINION 8X7873 - Caterpillar

8X7873 PINION Caterpillar parts D25D, D300E, D350E, D400E

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Alternative (cross code) number:
CA8X7873
8X-7873
8X7873

Weight: 2 pounds 0 kg.

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ARTICULATED TRUCK,

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$85.00

18 Feb 2025

IT: BF SRL

8X7873 AFTERMARKET Parts
Generic

$114.98

10 Mar 2019

CATERPILLAR AFTERMARKET: CATERPILLAR AFT

Caterpillar Pinion 8X7873 New

8X7873 Pinion Fits Caterpillar D25D D300E D30D D350E D400E

$60.88

28 Feb 2022
3.0[1.35] Pounds
US: IronDT

8X7873 Pinion Fits Caterpillar D25D D300E D30D D350E D400E
TCP Warranty

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Number on catalog scheme: 7

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Compatible equipment models: 8X7873:

ARTICULATED TRUCK D25D D300E D350E D400E Caterpillar

Information:

Table 1
Tools Needed Quantity
Fabricated part(1) Heat sink 1
2F-7112 Thermometer 1
3J-5389 Plug 1
8T-0500 Circuit tester 1
(1) Refer to illustration 1.
Illustration 1 g00510413
Heat sink
Make a heat sink that is shown in illustration 1. Material can be brass, steel or cast iron. Drill a 23/32 inch hole through the plate and use a tap to make 1/2 inch NPT threads.
Mark the wires that connect the contactor to the circuit. Disconnect the wires from the contactor.
Remove the contactor. Install a 3J-5389 Plug at the removal point of the contactor. Install the contactor switch in the heat sink.
Illustration 2 g00510414
Test of contactor switch (typical example)
(1) 2F-7112 Thermometer
(2) Fabricated heat sink
Place the heat sink and the contactor in water. Use blocks to support the heat sink at surface level.
Connect the 8T-0500 Circuit Tester to the wires that are connected to the contactor.
Place the 2F-7112 Thermometer in the water.
Heat the water to the activation temperature of the contactor. If the circuit tester light does not come on in the temperature range that is given in the Specifications, replace the contactor.
Lower the temperature of the water. If the circuit tester light does not go out in the temperature range that is given in the Specifications, replace the contactor.