ALTERNATOR AS 3776966 - Caterpillar



3776966 ALTERNATOR AS Caterpillar parts 272D, 272D XHP, 299D, 299D XHP, 910K, 914K
Rating:
26
Alternative (cross code) number:
CA3776966
377-6966
3776966
Caterpillar 3776966 ALTERNATOR AS
Weight: 11 pounds 5 kg.

Buy ALTERNATOR AS 3776966 Caterpillar genuine, new aftermarket tractor parts with delivery
COMPACT TRACK LOADER, SKID STEER LOADER,

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$185.00

27 Nov 2025
10.3617[4.66] Pounds
CN: FridayParts
FridayParts Replacement Alternator 377-6966 1J431-64012 A002TC1877 Compatible for Caterpillar Loader 914K 910K 272D 297D 299D Engine C3.8
FP FRIDAYPARTS New aftermarket parts || Replacement part number:377-6966 3776966 1J431-64012 A002TC1877 || Compatible for Caterpillar Loader 297D XHP, 297D, 297D2, 297D2 XHP,299D3 XE, 299D, 299D3, 299D2, 299D XHP, 299D2 XHP,272D, 272D XHP, 272D2 XHP, 272D3 XE, 272D3, 272D2,914K, 910K || Please verify the part number before ordering, thanks
$154.89

06 Nov 2025
13.0[5.85] Pounds
US: Quality Solutio
New 12 Volt 100 Amp Alternator for Caterpillar, Kubota V3800 3.7L Engine A2TC1877 A002TC1877 A2TC1877A A002TC1877A 230-20142 23020142 1J431-64012 1J43164012 143-28130 14328130 A-80631 A80631 339399
Gladiator Meets or Exceeds OEM Specifications || One Year Warranty || 100% Computer Load Tested for Reliability
$284.93

07 Aug 2025

US: QUALITY PARTS
3776966 ALTERNATOR (New AFTERMARKET) - G&T Engine Parts
G&T Engine Parts Fits equipment: WHEEL-TYPE LOADER: 914K, 910K; SKID STEER LOADER: 299D2, 299D, 272D, 297D2-XHP, 272D2, 297D-XHP, 299D-XHP, 272D2 XHP, 297D2, 272D XHP, 297D, 299D2-XHP. || Condition: NEW AFTERMARKET || Weight: 12.76 lbs || Use of any OEM manufacturer name is not intended to represent any relationship between the two companies, instead it indicates that we sell replacement parts that are compatible with OEM components.
Number on catalog scheme: 1
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Compatible equipment models: 3776966:

COMPACT TRACK LOADER  299D   299D XHP  
COMPACT WHEEL LOADER  910K   914K  
SKID STEER LOADER  272D   272D XHP   Caterpillar

Information:


Illustration 1 g03126557
Table 1
Specification for 1W-8465 Valve Mechanism Gp , 326-4125 Valve Mechanism Gp , and 379-4833 Valve Mechanism Gp
Item Qty Part Specification Description
1 2 8T-7581 Bolt Torque to 120 20 N m (89 15 lb ft).
2 2 9L-7712 Nut Torque to 30 4 N m (22 3 lb ft).
3 1 7C-2376 Rocker Arm Shaft Diameter of the rocker arm shaft is 37.084 0.013 mm (1.4600 0.0005 inch).
4 2 3J-9196 Jam Nut Torque to 70 15 N m (52 11 lb ft).
- - - Inlet valve lash is 0.51 mm (0.020 inch).
- - - Exhaust valve lash is 1.27 mm (0.050 inch).
Illustration 2 g03126577
Table 2
Item Qty Part Specification Description
D 2 9Y-1741 Rocker Arm As After installation, bore of 1W-4594 Bushing in the rocker arm assembly (5) is 37.140 0.015 mm (1.4622 0.0006 inch).

Caterpillar parts catalog:

Caterpillar parts catalog
299D2 and 299D2XHP Compact Track Loader BY400001-UP (MACHINE) POWERED BY C3.8 Engine
299D XHP Compact Track Loader NLC00001-UP (MACHINE)
299D Compact Track Loader HCL00001-UP (MACHINE)
272D XHP Skid Steer Loader SHY00001-UP (MACHINE) POWERED BY C3.8 Engine
272D Skid Steer Loader GSL00001-UP (MACHINE)
272D Skid Steer Loader B5W00001-UP (MACHINE) POWERED BY C3.8 Engine
272D XHP Skid Steer Loader ETL00001-UP (MACHINE) POWERED BY C3.8 Engine
299D Compact Track Loader GTC00001-UP (MACHINE) POWERED BY C3.8 Engine
299D XHP Compact Track Loader JST00001-UP (MACHINE) POWERED BY C3.8 Engine
297D/297D XHP Multi Terrain Loader BE700001-UP (MACHINE) POWERED BY C3.8 Engine
272D2 & 272D2 XHP Skid Steer Loader BL200001-UP (MACHINE) POWERED BY C3.8 Engine
299D2 XHP & 299D2 Compact Track Loader DX200001-UP (MACHINE) POWERED BY C3.8 Engine
297D2 & 297D2 XHP Multi Terrain Loader BL700001-UP (MACHINE) POWERED BY C3.8 Engine
272D3 XHP, 272D3 Skid Steer Loader GJ200001-UP (MACHINE) POWERED BY C3.8 Engine
299D3, 299D3 XHP Compact Track Loader AN900001-UP (MACHINE) POWERED BY C3.8 Engine
299D3 XE Compact Track Loader LB300001-UP (MACHINE) POWERED BY C3.8 Engine
910K Compact Wheel Loader AY400001-UP (MACHINE) POWERED BY C3.8 Engine
914K Compact Wheel Loader CD200001-UP (MACHINE) POWERED BY C3.8 Engine
299D2 XHP & 299D2 Compact Track Loader DX200001-UP (MACHINE) POWERED BY C3.8 Engine


Parts alternator Caterpillar catalog:

3892320 ALTERNATOR GP-CHARGING
272D, 272D XHP, 299D, 299D XHP, 910K, 914K
3991485 ALTERNATOR
3054C, 3054E, 420E, 914G, AP-600D, AP-655D, AP1000E, AP1055E, AP555E, BG500E, BG600D, BG655D, C4.4, C6.6, CP-56, CP-76, CS-54B, CS-64, CS-74, IT14G, IT14G2, M313D, M315C, M315D, M315D 2, M316D, M317D ...
3943496 ALTERNATOR AS
216B, 216B3, 226B, 226B3, 232B, 242B, 247B, 247B3, 257B, 3013C, 3024C, C1.5, C2.2, CB22B, CB24B, CB32B, CB34B, CB34B XW, CC24B, CC34B
3469827 ALTERNATOR-CHARGING
3056E, 420D, 420E, 914G, CP-44, CP-64, CP-76, CS-44, CS-54B, CS-56, CS-74, IT14G, M313C, M313D, M315C, M316D, M318D, M318D MH, M322D, M322D MH
3491369 ALTERNATOR GP-CHARGING
226B, 232B, 242B, 247B, 257B, 3024C, C2.2, CB22B, CB32B, CC24B
2390772 ALTERNATOR GP-CHARGING
236B, 246C, 252B, 256C, 262C, 267B, 268B, 272C, 277C, 287C, 297C, 906
4N3896 ALTERNATOR GROUP
3512, 910, 931B, 935B, D3
3979953 ALTERNATOR AS
236D, 242D, 246D, 257D, 259D, 262D, 277D, 279D, 287D, 289D, 906H2, 907H2, 908H2
3218927 ALTERNATOR
416F, 420F, 428F, 430F, 432F, 434F, 444F, 450F, C4.4, C7.1