EDGE-CUTTING 4T6378 - Caterpillar

4T6378 EDGE-CUTTING Caterpillar parts 631G, 637E, 637G, 844, 844H, 844K, D10T, D8N, D8R, D8R II, D8T

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Alternative (cross code) number:
CA4T6378
4T-6378
4T6378

Weight: 138 pounds 62 kg.

Information:

ABRASION RESISTANT MATERIAL N

BOLT HOLE SIZE 28 mm

CHAMFER EDGE

HOLE PATTERN CENTERLINE

HOLE SPACING 152.4 mm

LENGTH 900 mm

NUMBER OF HOLES 6

THICKNESS 28.5 mm

TUNGSTEN CARBIDE N

WIDTH 330 mm

Buy EDGE-CUTTING 4T6378 Caterpillar genuine, new aftermarket tractor parts with delivery
TRACK-TYPE TRACTOR, WHEEL SCRAPER,

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All States Cutting Edge fits Caterpillar 4T6378

$323.95

06 Aug 2025
137.0[61.65] Pounds
US: Parts ASAP

All States Cutting Edge fits Caterpillar 4T6378
All States Replaces Caterpillar Mfg Number(s) 4T6378 || Length: 35.5" || Thickness: 1.25" || Width: 13" || Bolt Diameter: 1"

$323.95

04 Aug 2025

US: Parts ASAP

Cutting Edge fits Caterpillar 4T6378
Parts ASAP Replaces Caterpillar Mfg Number(s) 4T6378 || Length: 35.5" || Thickness: 1.25" || Width: 13" || Bolt Diameter: 1"

$323.94

29 Apr 2025
143.3[64.49] Pounds
US: National 1 Trac

Cutting Edge fits Caterpillar 4T6378
National 1 Track & Parts We use precision manufacturing to deliver the highest quality parts

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#955631 4t-6378

2022-08-24

Number on catalog scheme: 6

Caterpillar 4T6378 Parts scheme EDGE-CUTTING

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4T6378 Images:

Compatible equipment models: 4T6378:

TRACK-TYPE TRACTOR D10T D8N D8R D8R II D8T

WHEEL DOZER 844 844H 844K

WHEEL SCRAPER 631G 637E 637G Caterpillar

Information:

(1) Maximum permissible "runout" (radial eccentricity) off center of bore (total indicator reading) ... 0.15 mm (.006 in.)(2) Torque for bolts that hold flywheel to crankshaft: G399 Engines ... 905 70 N m (670 50 lb ft)G379 and G398 Engines ... 610 40 N m (450 30 lb ft) Align the "DASH" mark on the flywheel with the "DASH" mark on the crankshaft.(3) Maximum permissible "runout" (radial eccentricity) off center of bore (total indicator reading) ... 0.13 mm (.005 in.)(4) Maximum permissible "runout" (axial eccentricity) of face (total indicator reading) ... 0.15 mm (.006 in.)

Cat SIS web machinery list:

Caterpillar parts catalog
Product:

D8N TRACTOR 9TC00001-UP (MACHINE) POWERED BY 3406 ENGINE

7T-5559: BIT & CUTTING EDGE GP » c497307

D8N TRACTOR 1XJ00001-UP (MACHINE) POWERED BY 3406 ENGINE

7T-5559: BIT & CUTTING EDGE GP » c497307

D8N TRACTOR / POWER SHIFT / 5TJ00001-UP (MACHINE) POWERED BY 3406 ENGINE

7T-5559: BIT & CUTTING EDGE GP » c497307

D8T TRACK-TYPE TRACTOR MB800001-UP (MACHINE) POWERED BY C15 Engine

507-2924: EDGE GP-BIT & CUTTING » M00753900798
507-2926: EDGE GP-BIT & CUTTING » M00753900800
7T-5559: EDGE GP-BIT & CUTTING » M00753900807

D8R TRACK-TYPE TRACTOR JR800001-UP (MACHINE) POWERED BY C15 Engine

507-2924: EDGE GP-BIT & CUTTING » M00753920792
507-2926: EDGE GP-BIT & CUTTING » M00753920794
7T-5559: EDGE GP-BIT & CUTTING » M00753920797

D8T TRACK-TYPE TRACTOR JJ500001-UP (MACHINE) POWERED BY C15 Engine

507-2924: EDGE GP-BIT & CUTTING » M00755160838
507-2926: EDGE GP-BIT & CUTTING » M00755160840
7T-5559: EDGE GP-BIT & CUTTING » M00755160847

D8R TRACK-TYPE TRACTOR DWJ00001-UP (MACHINE) POWERED BY C15 Engine

507-2924: EDGE GP-BIT & CUTTING » M00755180841
507-2926: EDGE GP-BIT & CUTTING » M00755180843
7T-5559: EDGE GP-BIT & CUTTING » M00755180850

844K Wheel Dozer K4Y00001-UP (MACHINE) POWERED BY C27 Engine

153-2111: BLADE GP-COAL » M00847350890

844K Wheel Dozer M4R00001-UP (MACHINE) POWERED BY C27 Engine

153-2111: BLADE GP-COAL » M00847370883

D8T TRACK-TYPE TRACTOR AW400001-UP (MACHINE) POWERED BY C15 ENGINE

507-2924: EDGE GP-BIT & CUTTING » M00915610961
507-2926: EDGE GP-BIT & CUTTING » M00915610963
7T-5559: EDGE GP-BIT & CUTTING » M00915610966

D8R Custom Parts Manual Track-Type Tractor 7XM00001-UP (MACHINE) POWERED BY 3406 Engine

7T-5559: EDGE GP-BIT & CUTTING » SEBC10480427

D8R Custom Parts Manual Track Type Tractor 6YZ00001-UP (MACHINE)

7T-5559: EDGE GP-BIT & CUTTING » SEBC13090330

D8R Track-Type Tractor 7XM00001-UP (MACHINE) POWERED BY 3406 Engine

507-2924: EDGE GP-BIT & CUTTING » SEBP24391338
507-2926: EDGE GP-BIT & CUTTING » SEBP24391340
7T-5559: EDGE GP-BIT & CUTTING » SEBP24391344

637E Series II Wheel Tractor-Scraper (Coal) 1HB00691-UP (MACHINE) POWERED BY 3306 Engine

109-9194: EDGE GP-BIT & CUTTING » (3-FT EACH) SEBP25260364

D8R TRACK-TYPE TRACTOR 9EM00001-UP (MACHINE) POWERED BY 3406C Engine

507-2924: EDGE GP-BIT & CUTTING » SEBP25361445
507-2926: EDGE GP-BIT & CUTTING » SEBP25361447
7T-5559: EDGE GP-BIT & CUTTING » SEBP25361451

844 Wheel Tractor 2KZ00001-UP (MACHINE) POWERED BY 3412E Engine

153-2111: BLADE GP-COAL » SEBP27650602

D8R Series II Track-Type Tractor 6YZ00001-UP (MACHINE) POWERED BY 3406E Engine

7T-5559: EDGE GP-BIT & CUTTING » SEBP28760916

631G WHEEL SCRAPER AXZ00001-UP (MACHINE)

109-9194: EDGE GP-BIT & CUTTING » (3-FT EACH) SEBP31750084

637G WHEEL SCRAPER AYN00001-UP (MACHINE) POWERED BY 3306 Engine

109-9194: EDGE GP-BIT & CUTTING » (3-FT EACH) SEBP31770268

D8R TRACK-TYPE TRACTOR Differential Steering AKA00001-UP (MACHINE) POWERED BY 3406E Engine

507-2924: EDGE GP-BIT & CUTTING » SEBP32450880
507-2926: EDGE GP-BIT & CUTTING » SEBP32450882
7T-5559: EDGE GP-BIT & CUTTING » SEBP32450885

844 Wheel Tractor BBN00001-UP (MACHINE) POWERED BY 3412 Engine

153-2111: BLADE GP-COAL » SEBP35860603

637G Wheel Scraper CEJ00001-UP (MACHINE) POWERED BY C-9 Engine

109-9194: EDGE GP-BIT & CUTTING » (3-FT EACH) SEBP36230374

D8T TRACK-TYPE TRACTOR KPZ00001-UP (MACHINE) POWERED BY C15 Engine

7T-5559: EDGE GP-BIT & CUTTING » SEBP36541361

D10T TRACK-TYPE TRACTOR RJG00001-UP (MACHINE) POWERED BY C27 Engine

421-4102: BLADE GP-UNIVERSAL » SEBP36551569

631G Wheel Scraper CMT00001-UP (MACHINE)

109-9194: EDGE GP-BIT & CUTTING » (3-FT EACH) SEBP36660132

844H Wheel Tractor BTW00001-UP (MACHINE) POWERED BY C27 Engine

153-2111: BLADE GP-COAL » SEBP38490858

D8T TRACK-TYPE TRACTOR J8B00001-UP (MACHINE) POWERED BY C15 Engine

507-2924: EDGE GP-BIT & CUTTING » SEBP41951336
507-2926: EDGE GP-BIT & CUTTING » SEBP41951338
7T-5559: EDGE GP-BIT & CUTTING » SEBP41951341

631G Wheel Scraper DEM00001-UP (MACHINE)

109-9194: EDGE GP-BIT & CUTTING » (3-FT EACH) SEBP42390262

637G Wheel Scraper DEX00001-UP (MACHINE) POWERED BY C9 Engine

109-9194: EDGE GP-BIT & CUTTING » (3-FT EACH) SEBP42410435

637G Wheel Scraper Coal Bowl DEY00001-UP (MACHINE) POWERED BY C9 Engine

109-9194: EDGE GP-BIT & CUTTING » (3-FT EACH) SEBP42420402

D8T TRACK-TYPE TRACTOR MLN00001-UP (MACHINE) POWERED BY C15 Engine

7T-5559: EDGE GP-BIT & CUTTING » SEBP50881404

D8T TRACK-TYPE TRACTOR FCT00001-UP (MACHINE) POWERED BY C15 Engine

507-2924: EDGE GP-BIT & CUTTING » SEBP58051333
507-2926: EDGE GP-BIT & CUTTING » SEBP58051335
7T-5559: EDGE GP-BIT & CUTTING » SEBP58051338

D8R TRACK-TYPE TRACTOR RJM00001-UP (MACHINE) POWERED BY 3406C Engine

507-2924: EDGE GP-BIT & CUTTING » SEBP58240794
507-2926: EDGE GP-BIT & CUTTING » SEBP58240796
7T-5559: EDGE GP-BIT & CUTTING » SEBP58240799

D8R TRACK-TYPE TRACTOR T5X00001-UP (MACHINE) POWERED BY 3406C Engine

507-2924: EDGE GP-BIT & CUTTING » SEBP61880781
507-2926: EDGE GP-BIT & CUTTING » SEBP61880783
7T-5559: EDGE GP-BIT & CUTTING » SEBP61880786

844K Wheel Dozer MBE00001-UP (MACHINE) POWERED BY C27 Engine

153-2111: BLADE GP-COAL » SEBP67471100

844K Wheel Dozer KLS00001-UP (MACHINE) POWERED BY C27 Engine

153-2111: BLADE GP-COAL » SEBP67481080

D8T TRACK-TYPE TRACTOR FMC00001-UP (MACHINE) POWERED BY C15 Engine

507-2924: EDGE GP-BIT & CUTTING » SEBP72131221
507-2926: EDGE GP-BIT & CUTTING » SEBP72131223
7T-5559: EDGE GP-BIT & CUTTING » SEBP72131227

D8R TRACK-TYPE TRACTOR MEJ00001-UP (MACHINE) POWERED BY 3406C Engine

507-2924: EDGE GP-BIT & CUTTING » SEBP72240780
507-2926: EDGE GP-BIT & CUTTING » SEBP72240782
7T-5559: EDGE GP-BIT & CUTTING » SEBP72240785

Parts edge Caterpillar catalog:

9W6615 EDGE-CUTTING
966H, 966K, 972G II, 972H, 972K, 972M, D10N, D10R, D10T

9W6609 EDGE-CUTTING
966H, D10N, D10R, D10T

4Z9058 EDGE-CUTTING
D8R, D8R II, D8T

1122472 EDGE-CUTTING
D10R, D8R, D8R II

9W6608 EDGE-CUTTING
D10N, D10R, D10T

9W6657 EDGE-CUTTING
854G, 854K, D10N, D10R, D10T, D10T2

9W6658 EDGE-CUTTING
854G, 854K, D10N, D10R, D10T, D10T2

9W6656 EDGE-CUTTING
854G, D10N, D10R, D10T, D10T2

4T6386 EDGE-CUTTING
834G, 834H, 834K, 844, 844H, 844K

7J2980 EDGE-CUTTING
9A, 9S, D10T, D9L

4T6385 EDGE-CUTTING
D10T

8E2085 EDGE-CUTTING
D10T, D10T2

4T6381 EDGE-CUTTING
990, 990 II, D10T, D8N, D8R, D8R II, D8T

6Y5540 EDGE-CUTTING
844, 844H, 844K, D8N, D8R, D8R II, D8T, D9N, D9R

9W5432 EDGE-CUTTING
D8N, D8R

9V6570 EDGE-CUTTING
943, 953

5G8467 EDGE
935B

4T8080 EDGE-CUTTING
953

4K6428 EDGE (UPPER)
955H

4K6227 EDGE (LOWER)
977H

4K4278 EDGE (UPPER)
977H

8Y4893 EDGE AS
953B

6W2976 EDGE-CUTTING
943

9W5232 EDGE-CUTTING
D8N, D8R, D8R II, D8T

4t6378