PUMP GP-PISTON 4230088 - Caterpillar

252-4170 Generator, 252-4172 Generator, 252-4174 Generator, and 252-4176 Generator
Table 16
1669 Frame 600 VAC
Main Stator and Main Rotor Winding Data    
Arrangement without Stator RTDs     252-4170         252-4174    
Arrangement with Stator RTDs     252-4172         252-4176    
Main Stator and rotor Winding Data     1669            
Item     Main Stator     Main Rotor        
Stack Length    
800 mm (31.49 inch)    
800 mm (31.49 inch)        
Slots     84     4        
Span     1 - 15     1 - 4        
Turns per Coil     1     -        
Turns per Pole     -     88 (3)        
Number and Wire Size (AWG)     51 - # 14     1 -
3.556 mm (0.140 inch) X
7.112 mm (0.280 inch)        
Mean Length Turn    
2509 mm (98.77 inch)    
2182 mm (85.90 inch)        
Copper Weight    
267.7 mm (10.539 inch)    
177.3 kg (390.879 lb)        
Internal Connection     4 Parallel Wye     Series        
Internal Connection Diagram     Connection Diagram 1 (1).     -        
Line Leads Number and Size (AWG)     -     2#4        
Low Voltage Connected Line to Line Resistance at
25° C (77.00° F)     0.0018     -        
Field Resistance at
25° C (77.00° F)     -     0.535        
I.E. Winding     H1 AREP            
Turns per Coil (TPC): span     2 TPC: 1-15            
Number and Wire Size (AWG)     1 - #14            
Resistance at
25° C (77.00° F)     0.0698            
I.E. Winding     H3 AREP            
Turns per Coil (TPC): span     1 TPC: 22-29, 36-43, 50-57            
Number and Wire Size (AWG)     1 - #14            
Resistance at
25° C (77.00° F)     0.141            
Internal Connection Diagram     Connection Diagram 28 (1)            
Exciter Winding Data    
Exciter     Stator (Field)     Rotor (Armature)     Permanent Magnet Stator    
Exciter Frequency (Hz)     180     180     240    
Exciter Poles     12     12     16    
Stack Length    
60 mm (2.36 inch)    
60 mm (2.36 inch)    
25.4 mm (1.000 inch)    
Coils per Group     1     1     1    
Turns per Coil     265     13     24    
Number and Wire Size (AWG)     1 - #14     7 - #15.5     2 - #18    
Span     1 - 2     1 - 4     1 - 4    
Mean Length Turn    
351 mm (13.81 inch)    
423 mm (16.65 inch)    
208.28 mm (8.1999 inch)    
Resistance at
25° C (77.00° F)     9.94     0.058