Challenger 35, Challenger 45 and Challenger 55 Agricultural Tractors Power Train Caterpillar

Rear Axle - Remove

Usage:

45 1DR

Removal Procedure

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Table 1
Required Tools
Tool	Part Number	Description	Qty
A	1U-9496	Right Rear Cab Support	1
A	1U-9495	Left Rear Cab Support	1
B	1U-9072	Lifter Group	1
C	8T-6383	Bolt	2

Start By:

Remove the right side undercarriage. Refer to Disassembly and Assembly, "Undercarriage - Remove" for the machine that is being serviced.
Remove the right side covers. Refer to Disassembly and Assembly, "Covers - Remove and Install" for the machine that is being serviced.

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NOTICE

Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Refer to Special Publication, NENG2500, "Caterpillar Tools and Shop Products Guide" for tools and supplies suitable to collect and contain fluids on Caterpillar products. Dispose of all fluids according to local regulations and mandates.

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Illustration 1	g00567112

Note: The axle with the 20 hole pattern is for the tractors with a 2032 mm (80.0 inch) base.

Note: The axle with the 16 hole pattern is for the tractors with a 1524 mm (60 inch) base which is shown in this story.

Drain approximately 155 L (41.0 US gal) of oil from the center housing in a suitable container.
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Illustration 2 g00695250

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Illustration 3 g00695252
Disconnect electrical connector (1) from the rear right side of the cab. Disconnect electrical connectors (2) and (3) from the rear left side of the cab.
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Illustration 4 g00695266
Loosen nut (4) on right rear cab mounting bolt (5). Repeat on the left side.
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Illustration 5 g00695267
Position a pry bar between cab (6) and washer (7). Pry up on cab (6) and place Tooling (A) on center housing (8). Secure Tooling (A) to the frame rail with a nut and a bolt. Install the nut and the bolt through the hole in the frame rail. Remove the pry bar. Remove the following items from right rear cab mount (12): nut (4), washers (9) and (10), lower mount assembly (11), right rear cab mounting bolt (5) and washer (7).
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Illustration 6 g00695274
Remove four bolts and washers (13) from right rear cab mount (12). Remove right rear cab mount (12) with upper mount assembly (14) from axle housing (15).
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Illustration 7 g00695279
Remove two of sixteen bolts (16) from axle housing (15).
Note: Leave the upper two bolts in position.
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Illustration 8 g00695286

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Illustration 9 g00695290
Install Tooling (B) and a suitable lifting device on axle housing (15). Position Tooling (B) so that the bolts are set in the inner grooves of axle housing (15). Remove twelve of the remaining fourteen bolts (16) from axle housing (15).
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Illustration 10 g00695304
Install Tooling (C) in center housing (8). Place one of Tooling (C ) on each side. Remove two bolts (16) from axle housing (15).
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Illustration 11 g00695327

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Illustration 12 g00695329
Use Tooling (B) in order to remove the rear axle group with the ring gear from center housing (8). The weight of the rear axle group is 374 kg (825 lb). After the rear axle group is removed, remove Tooling (C) from center housing (8).