FLYWHEEL AS 2P2504 - Caterpillar

Table 12
Summary Chart: Measurement of Shaft Splines For Reusability    
Shaft Crown Splines (F)    Shaft Pump Splines (G)    
Reference Piston Diameter    Minimum Dimension Over Pins (1)    Shaft Part No.    Pin Diameter    Pin Part No.    Minimum Dimension Over Pins    
17.04 mm (0.671 inch)    
33.0 mm (1.302 inch)     9T-2016    
3.05 mm (0.120 inch)     4C-5855    
28.24 mm (1.112 inch)    
17.04 mm (0.671 inch)    
33.12 mm (1.304 inch)     9T-3933    
3.05 mm (0.120 inch)     4C-5855    
28.24 mm (1.112 inch)    
17.04 mm (0.671 inch)    
33.12 mm (1.304 inch)     9T-3932    
2.03 mm (0.080 inch)     4C-5852    
23.06 mm (0.908 inch)    
19.23 mm (0.757 inch)    
40.97 mm (1.613 inch)     9T-3039    
3.05 mm (0.120 inch)     4C-5855    
28.24 mm (1.112 inch)    
19.23 mm (0.757 inch)    
40.97 mm (1.613 inch)     9T-6755    
4.57 mm (0.180 inch)     4C-5853    
35.69 mm (1.405 inch)    
20.90 mm (0.823 inch)    
44.15 mm (1.738 inch)     9T-1634    
3.05 mm (0.120 inch)     4C-5855    
31.34 mm (1.234 inch)    
20.90 mm (0.823 inch)    
44.15 mm (1.738 inch)     9T-9457    
3.05 mm (0.120 inch)     4C-5855    
18.44 mm (0.726 inch)    
23.04 mm (0.907 inch)    
47.35 mm (1.864 inch)     9T-9461    
4.06 mm (0.160 inch)     4C-5854    
35.69 mm (1.405 inch)    
23.04 mm (0.907 inch)    
47.35 mm (1.864 inch)     9T-7783    
4.06 mm (0.160 inch)     4C-5854    
35.69 mm (1.405 inch)    
23.04 mm (0.907 inch)    
47.35 mm (1.864 inch)     9T-8648    
4.06 mm (0.160 inch)     4C-5854    
35.69 mm (1.405 inch)    
26.11 mm (1.028 inch)    
53.70 mm (2.114 inch)     9T-8629    
3.05 mm (0.120 inch)     4C-5855    
18.44 mm (0.726 inch)    
( 1 ) Use two 4C-5855 Pins , 3.05 mm (0.120 inch), to find the minimum dimension over pins for spline measurement.