8N7902 TACHOMETER AS Caterpillar parts
615, 621, 621B, 627B, 633D, 637D, 641B, 657B  
 
 
Rating:
 Alternative (cross code) number:
CA8N7902
8N-7902
8N7902
 
CA8N7902
8N-7902
8N7902
 
  Weight: 2 pounds 0 kg. 
  WHEEL TRACTOR,
Compatible equipment models: 8N7902:
Information:
Later Shown(1) 2S6538 Spring for retarder control: Length under test force ... 3.00 in.(76.2 mm)Test force ... 30 2.4 lb.(135 11 N)Free length after test ... 4.88 in.(124.0 mm)Outside diameter ... 0.766 in.(19.46 mm)(2) 9H2367 Spring for the retarder lubrication: Length under test force ... 0.937 in.(23.80 mm)Test force ... 0.34 0.03 lb.(1.5 0.1 N)Free length after test ... 1.156 in.(29.36 mm)Outside diameter ... 0.344 in.(8.74 mm)(3) 1S5646 Spring for the retarder slug: Length under test force ... 3.81 in.(96.8 mm)Test force ... 30 3 lb.(135 11 N)Free length after test ... 4.00 in.(101.6 mm)Outside diameter ... 0.766 in.(19.46 mm)(4) Torque for eight bolts: ... 35 5 lb ft(48 7 N m)(5) Torque for bolt: ... 22 5 lb ft(30 7 N m)
Caterpillar parts catalog:
Parts tachometer Caterpillar catalog:
 6N1399
TACHOMETER DRIVE GROUP
 
621R, 627B, D5B, D6C, D6D, D7G
 
 
621R, 627B, D5B, D6C, D6D, D7G
 1242466
TACHOMETER GP-ELECTRIC
 
621B, 631D, 631E, 633E II, 637D, 637E
 
621B, 631D, 631E, 633E II, 637D, 637E
 4N9413
TACHOMETER DRIVE GROUP
 
631D, 633D, 637D, 639D
 
631D, 633D, 637D, 639D
 5R6810
TACHOMETER DRIVE GROUP
 
621, 627B
 
621, 627B
 2N3909
TACHOMETER DRIVE ADAPTER
 
1145, 1150, 1160, 1693, 225, 3160, 3208, 613, 613B, 637D, 769C, 771C, 773B, 775B, D398, PR-1000, PS-500
 
1145, 1150, 1160, 1693, 225, 3160, 3208, 613, 613B, 637D, 769C, 771C, 773B, 775B, D398, PR-1000, PS-500
 3D4720
TACHOMETER ASSEM.
 
621B, 627B, 631C, 637, 641B, 650B, 651, 657, 657B, 666, 666B
 
 
621B, 627B, 631C, 637, 641B, 650B, 651, 657, 657B, 666, 666B
 6N0944
TACHOMETER ASSEM.
 
621B, 631C, 633D, 637, 637D, 641B, 650B, 657B, 666B
 
621B, 631C, 633D, 637, 637D, 641B, 650B, 657B, 666B
 8N7903
TACHOMETER ASSEM.
 
621R, 627B
  
621R, 627B
 1274251
TACHOMETER AS
 
D6F SR
 
 
 
D6F SR
 5Y0375
TACHOMETER GP-ELECTRIC
 
D4E, D4E SR, D6D, D6D SR
 
D4E, D4E SR, D6D, D6D SR
 6V3148
TACHOMETER AS
 
D4E SR
 
D4E SR
 3E5092
TACHOMETER AS
 
D4E SR, D6E SR, D6G SR
  
D4E SR, D6E SR, D6G SR
 3E3742
TACHOMETER AS
 
621F
 
621F
 2250283
TACHOMETER AS
 
621F, 623E, 623F
 
621F, 623E, 623F
 2250282
TACHOMETER AS
 
611, 615C
 
611, 615C
 2250284
TACHOMETER AS
 
613C II
 
613C II
 8T9711
TACHOMETER
 
615C, 621E, 623E, 627E, 631E, 637E, 651E, 657E
 
615C, 621E, 623E, 627E, 631E, 637E, 651E, 657E
 3T2541
TACHOMETER
 
631E, 637E, 651E, 657E
 
631E, 637E, 651E, 657E