3516E Engines for Caterpillar Built Machines Caterpillar


Gear Group (Front)

Usage:

3516B EXM


Illustration 1g06087703
Typical Example
Front view of engine

Table 1
Specification for 423-3679 Front Gear Gp, 458-9887 Front Gear Gp 
Item  Qty  Part  Specification Description 
366-5349 Adapter As  After installation, bore of 127-5400 Bushing is 75.000 ± 0.055 mm (2.9528 ± 0.0022 inch)
After installation, bore of 140-9597 Bushing is 90.000 ± 0.010 mm (3.5433 ± 0.0004 inch).
Installation depth is 2.3 ± 0.5 mm (0.09 ± 0.02 inch)
Diameter is 89.880 ± 0.020 mm (3.5386 ± 0.0008 inch)
7N-5245 Pump Adapter  After installation, bore of 127-5400 Bushing is 75.000 ± 0.055 mm (2.9528 ± 0.0022 inch)
259-4598 O-Ring Seal  Before assembly, lightly lubricate the bores with the lubricant that is being sealed. 
235-3546 O-Ring Seal  Before assembly, lightly lubricate the bores with the lubricant that is being sealed. 
367-0069 Auxiliary Drive Shaft As  Diameter is 74.900 ± 0.015 mm (2.9488 ± 0.0006 inch).
Install the 8T-2153 Socket Setscrew to the bottom of the threaded hole and tighten to 6 ± 1 N·m (53 ± 9 lb in)
7N-5246 Thrust Washer  Thickness is 8.50 ± 0.05 mm (0.335 ± 0.002 inch).
Width of groove in new pump drive shaft assembly is 8.75 ± 0.10 mm (0.344 ± 0.004 inch)
7C-3258 Thrust Washer Assembly  Thickness is 7.00 ± 0.15 mm (0.276 ± 0.006 inch).
Protrusion of the dowel (B) is 4.5 ± 0.5 mm (0.18 ± 0.02 inch)

Caterpillar Information System:

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