2G6780 SHAFT Caterpillar parts
120G
Rating:
Alternative (cross code) number:
CA2G6780
2G-6780
2G6780
CA2G6780
2G-6780
2G6780
Weight: 1 pounds 0 kg.
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Compatible equipment models: 2G6780:
Information:
Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 1P-0074 Slide Hammer Puller 1
8B-7557 Threaded Adapter 1
B 138-7573 Link Bracket 2
C 1P-0520 Driver Group 1
D - Guide Bolt
3/8×16 NC 2 Start By:
Remove the oil filter base. Refer to Disassembly and Assembly, "Engine Oil Filter Base - Remove".
Remove the crankshaft front seal and the wear sleeve. Refer to Disassembly and Assembly, "Crankshaft Front Seal and Wear Sleeve - Remove".
Remove the accessory drive (front). Refer to Disassembly and Assembly, "Accessory Drive (Front) - Remove".
Remove the engine oil and water pump drive. Refer to Disassembly and Assembly, "Engine Oil and Water Pump Drive - Remove".
Remove the auxiliary water pump. Refer to Disassembly and Assembly, "Auxiliary Water Pump - Remove".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g00907030
Remove cover (1) and the O-ring seal.
Illustration 2 g00907040
Remove the bolts that hold shaft (2) in the front drive housing. Use Tooling (A) to remove shaft (2). Remove the O-ring seal from shaft (2).
Illustration 3 g00907098
Remove the bolts that hold shaft (3) in the front drive housing. Use Tooling (A) to remove shaft (3), the idler gear, and the washer. Remove the O-ring seal from shaft (3).
Use Tooling (C) and a suitable press in order to remove the bearing from the idler gear, if necessary.
Illustration 4 g00907145
Install Tooling (B) and attach a suitable lifting device to front drive housing (4). The weight of front drive housing (4) is approximately 209 kg (460 lb). Remove two bolts and install Tooling (D). Remove the rest of the bolts that hold front drive housing (4) to the cylinder block. Remove front drive housing (4) and the gasket. Installation Procedure
Table 2
Required Tools
Tool Part Number Part Description Qty
B 138-7573 Link Bracket 2
C 1P-0520 Driver Group 1
D - Guide Bolt
3/8×16 NC 2
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Install the gasket for the front drive housing onto the cylinder block. Install Tooling (D) into the cylinder block.
Illustration 5 g00907145
Install Tooling (B) and attach a suitable lifting device to front drive housing (4). The weight of front drive housing (4) is approximately 209 kg (460 lb). Position front drive housing (4) onto Tooling (D).
Install the bolts that attach front drive housing (4) to the cylinder block. Tighten the bolts evenly. Cut any excess gasket from the face of the cylinder block.
Illustration 6 g00907120
If the bearing was removed from gear (6), use Tooling (C) to install the bearing. After the bearing is installed, measure the bore of the bearing. The bore of the bearing must be 90.0 0.06 mm (3.54 0.002 inch).
Coat the bore for O-ring seal (8) with clean engine oil. Install the O-ring seal on shaft (3).
Place washer (7) and gear (6) into
Table 1
Required Tools
Tool Part Number Part Description Qty
A 1P-0074 Slide Hammer Puller 1
8B-7557 Threaded Adapter 1
B 138-7573 Link Bracket 2
C 1P-0520 Driver Group 1
D - Guide Bolt
3/8×16 NC 2 Start By:
Remove the oil filter base. Refer to Disassembly and Assembly, "Engine Oil Filter Base - Remove".
Remove the crankshaft front seal and the wear sleeve. Refer to Disassembly and Assembly, "Crankshaft Front Seal and Wear Sleeve - Remove".
Remove the accessory drive (front). Refer to Disassembly and Assembly, "Accessory Drive (Front) - Remove".
Remove the engine oil and water pump drive. Refer to Disassembly and Assembly, "Engine Oil and Water Pump Drive - Remove".
Remove the auxiliary water pump. Refer to Disassembly and Assembly, "Auxiliary Water Pump - Remove".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g00907030
Remove cover (1) and the O-ring seal.
Illustration 2 g00907040
Remove the bolts that hold shaft (2) in the front drive housing. Use Tooling (A) to remove shaft (2). Remove the O-ring seal from shaft (2).
Illustration 3 g00907098
Remove the bolts that hold shaft (3) in the front drive housing. Use Tooling (A) to remove shaft (3), the idler gear, and the washer. Remove the O-ring seal from shaft (3).
Use Tooling (C) and a suitable press in order to remove the bearing from the idler gear, if necessary.
Illustration 4 g00907145
Install Tooling (B) and attach a suitable lifting device to front drive housing (4). The weight of front drive housing (4) is approximately 209 kg (460 lb). Remove two bolts and install Tooling (D). Remove the rest of the bolts that hold front drive housing (4) to the cylinder block. Remove front drive housing (4) and the gasket. Installation Procedure
Table 2
Required Tools
Tool Part Number Part Description Qty
B 138-7573 Link Bracket 2
C 1P-0520 Driver Group 1
D - Guide Bolt
3/8×16 NC 2
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Install the gasket for the front drive housing onto the cylinder block. Install Tooling (D) into the cylinder block.
Illustration 5 g00907145
Install Tooling (B) and attach a suitable lifting device to front drive housing (4). The weight of front drive housing (4) is approximately 209 kg (460 lb). Position front drive housing (4) onto Tooling (D).
Install the bolts that attach front drive housing (4) to the cylinder block. Tighten the bolts evenly. Cut any excess gasket from the face of the cylinder block.
Illustration 6 g00907120
If the bearing was removed from gear (6), use Tooling (C) to install the bearing. After the bearing is installed, measure the bore of the bearing. The bore of the bearing must be 90.0 0.06 mm (3.54 0.002 inch).
Coat the bore for O-ring seal (8) with clean engine oil. Install the O-ring seal on shaft (3).
Place washer (7) and gear (6) into
Caterpillar parts catalog:
Parts shaft Caterpillar catalog:
6E1859
SHAFT-PUMP
120G
120G
6G2947
SHAFT
120B, 120G, 120H, 120H ES, 120H NA, 120K, 120K 2, 12G, 12H, 12H ES, 12H NA, 130G, 135H, 135H NA, 140G, 140H, 140H ES, 140H NA, 140K, 143H, 160G
120B, 120G, 120H, 120H ES, 120H NA, 120K, 120K 2, 12G, 12H, 12H ES, 12H NA, 130G, 135H, 135H NA, 140G, 140H, 140H ES, 140H NA, 140K, 143H, 160G
6G5443
SHAFT AS
120G, 12G, 130G, 140G
120G, 12G, 130G, 140G
2G7309
SHAFT
120G, 120H, 120H ES, 120H NA, 12G, 12H, 12H ES, 12H NA, 130G, 135H, 135H NA, 140G, 140H, 140H ES, 140H NA, 140M, 143H, 160G, 160H, 160H ES, 160H NA, 160M, 163H, 163H NA
120G, 120H, 120H ES, 120H NA, 12G, 12H, 12H ES, 12H NA, 130G, 135H, 135H NA, 140G, 140H, 140H ES, 140H NA, 140M, 143H, 160G, 160H, 160H ES, 160H NA, 160M, 163H, 163H NA
6G5532
SHAFT-DRIVE PINION
120G, 120H, 120H ES, 120H NA, 12G, 12H, 12H ES, 12H NA, 130G, 135H, 135H NA, 140G, 140H, 140H ES, 140H NA, 143H, 160H, 160H ES, 160H NA, 163H, 163H NA
120G, 120H, 120H ES, 120H NA, 12G, 12H, 12H ES, 12H NA, 130G, 135H, 135H NA, 140G, 140H, 140H ES, 140H NA, 143H, 160H, 160H ES, 160H NA, 163H, 163H NA
1067131
SHAFT
120G, 120H, 120H ES, 120H NA, 12G, 12H, 12H ES, 12H NA, 130G, 135H, 135H NA, 140G, 140H, 140H ES, 140H NA, 143H, 160H, 160H ES, 160H NA, 163H NA
120G, 120H, 120H ES, 120H NA, 12G, 12H, 12H ES, 12H NA, 130G, 135H, 135H NA, 140G, 140H, 140H ES, 140H NA, 143H, 160H, 160H ES, 160H NA, 163H NA
1267130
SHAFT AS
120G, 12G, 130G, 140G, 160G
120G, 12G, 130G, 140G, 160G
6E5885
SHAFT
120G, 120H, 12G, 12H, 12H NA, 130G, 140G, 140H, 140H NA, 14H, 14H NA, 160G, 16G, 16H, 16H NA, 24H
120G, 120H, 12G, 12H, 12H NA, 130G, 140G, 140H, 140H NA, 14H, 14H NA, 160G, 16G, 16H, 16H NA, 24H
1078375
SHAFT AS
120G, 120H, 120H ES, 120H NA, 120K, 120K 2, 120M, 120M 2, 12G, 12H, 12H ES, 12H NA, 12K, 12M, 12M 2, 12M 3, 12M 3 AWD, 130G, 135H, 135H NA, 140G, 140H, 140H ES, 140H NA, 140K, 140K 2, 140M, 140M 2, 14...
120G, 120H, 120H ES, 120H NA, 120K, 120K 2, 120M, 120M 2, 12G, 12H, 12H ES, 12H NA, 12K, 12M, 12M 2, 12M 3, 12M 3 AWD, 130G, 135H, 135H NA, 140G, 140H, 140H ES, 140H NA, 140K, 140K 2, 140M, 140M 2, 14...
1022385
SHAFT-PUMP
120G, 120H, 120H ES, 120H NA, 120K, 120K 2, 12H, 12K, 135H, 135H NA, 140H, 140K, 140K 2, 160H, 160K
120G, 120H, 120H ES, 120H NA, 120K, 120K 2, 12H, 12K, 135H, 135H NA, 140H, 140K, 140K 2, 160H, 160K
7B5036
SHAFT
120, 120B, 120G, 12E, 12F, 12G, 130G, 140, 140B, 140G, 14E
120, 120B, 120G, 12E, 12F, 12G, 130G, 140, 140B, 140G, 14E
8J6296
SHAFT
120G, 12G, 130G
120G, 12G, 130G
2G5838
SHAFT
14G
14G
8D5906
SHAFT
14G
14G
2G5837
SHAFT
16G
16G
8D2349
SHAFT
16G
16G
2G6787
SHAFT
16G
16G
2G6786
SHAFT
130G
130G
9J0442
SHAFT
12G
12G
7D0026
SHAFT
12G
12G
5D1129
SHAFT
120B, 12E, 140B
120B, 12E, 140B
2D7085
SHAFT ASSEM.
120B, 12E, 140B
120B, 12E, 140B
5D6633
SHAFT
16
16
4D8467
SHAFT
16
16