Email: order@longwearparts.com


Caterpillar dozer D8 cutting edge 4T2988/4T2994/9W8657

Products information
1)Material: Carbon steel or Manganese steel or boron steel
2)Surface: yellow paint or gray paint or as your request
3)Hardness: HB280-500 or HB320~360 or HB440~500
4)Technique: forging, machining, heat treatment
5) Package: strong plywood pallet 
6) Application :used in a wide variety of applications across all Caterpillar,Komatsu , Shantui graders,bulldozers,loader buckets .Multiple edge models to match your applications and job site's needs . 

Product Description:

Our aftermarket full sets of Caterpillar D8 Cutting Edge & End Bits replacement are heavy-duty ground engaging tools engineered for CAT D8 series heavy dozers, covering D8N, D8R, D8T models. The Cat D8 heavy dozers are widely deployed in large-scale mining site preparation, heavy rock & earth moving, highway subgrade construction, landfill operation and massive stockpile pushing. Compared with D7, D8 features larger SU semi-universal blade and heavy-duty U blade, so this cutting edge assembly adopts extra-thick high-strength steel plate to withstand continuous heavy impact and extreme abrasive wear under severe rock and compacted soil conditions.
Our factory offer a diverse array of blade types including Boron steel dozer Cutting Edge,Manganese dozer Cutting Edge,Carbon steel dozer Cutting Edge,Boron steel dozer End Bit,Manganese dozer End Bit,Carbon steel dozer End Bit,you can select material & hardness by working condition.

Critical check points before purchase:
1. Bolt hole quantity, hole spacing, hole diameter must match D8 blade.
2. Flatness: No bending or distortion after heat treatment. Bent edge will cause wavy grading result.
3. Wear matching: Keep wear rate balanced between center edge and two end bits. Do not mix soft center edge with ultra-hard end bits.
We supply high-quality cutting edges and end bits for Caterpillar D8 dozers, and our product range covers many other models and major equipment brands. All GET parts feature stable metallurgical quality, precise dimensional control and consistent wear performance. With reasonable pricing and reliable lead times,we support bulk orders for equipment dealers,maintenance contractors and mining & construction fleets. Welcome to contact us to get your quotation and parts catalog !


Part number Alternative number Description Dimension Hole
4T2988 4T-2988 Center 1.000 x 10.000 x 40.750 7
4T2987 4T-2987 End 1.000 x 10.000 x 36.375 6
4T2994 4T-2994 Center 1.000 x 10.000 x 47.750 8
1U4933 1U-4933 Heavier Center 1.375 x 10.000 x 40.750 7
1U4932 1U-4932 Heavier End 1.375 x 10.000 x 36.375 6
4T6301 4T-6301 Heavy Duty Center 1.625 x 10.000 x 40.625 7
4T6303 4T-6303 Heavy Duty End 1.625 x 10.000 x 36.375 6
4T3447 4T-3447 Heavy Duty Center 1.625 x 10.000 x 47.750 8
1073473 107-3473 Extra Heavy Duty Center 1.750 x 10.000 x 30.625 5
1073479 107-3479 Extra Heavy Duty Center 1.750 x 10.000 x 40.625 7
1073481 107-3481 Extra Heavy Duty End 1.750 x 10.000 x 36.375 6
3G8301 3G-8301 Hot Cup End Bit RH 1.250 x 13.000 x 21.625 7
1073484 107-3484 Extra Heavy Duty Center 1.750 x 10.000 x 47.750 8
3G8302 3G-8302 Hot Cup End Bit LH 1.250 x 13.000 x 21.625 7
3G8279 3G-8279 Hot Cup End Bit RH 1.625 x 11.420 x 19.840 7
3G8280 3G-8280 Hot Cup End Bit LH 1.625 x 11.420 x 19.840 7
9W8657 9W-8657 1 1 " Center 1.375 x 11.000 x 40.750 7
7T4353 7T-4353 Wide Center (Offset Holes) 1.625 x 13.000 x 40.750 7
7T4088 7T-4088 End Bit (Long Side) RH 2.000 x 14.875 x 20.750 7
7T4089 7T-4089 End Bit (Long Side) LH 2.000 x 14.875 x 20.750 7
9W8651 9W-8651 End Bit (Short Side) RH 2.000 x 15.500 x 22.000 7
9W8652 9W-8652 End Bit (Short Side) LH 2.000 x 15.500 x 22.000 7
9W8653 9W-8653 Hot Cupped End Bit RH 2.250 x 15.063 x 22.000 7
9W8654 9W-8654 Hot Cupped End Bit LH 2.250 x 15.063 x 22.000 7
9J1477 9J-1477 Cast End Bit RH 1.125 x 11.997 x 18.996 7
9J1478 9J-1478 Cast End Bit LH 1.125 x 11.997 x 18.996 7
3G8317 3G-8317 Hot Cup End Bit RH 1.250 x 13.000 x 21.625 7
3G8318 3G-8318 Hot Cup End Bit LH 1.250 x 12.986 x 21.553 7
3G8287 3G-8287 Hot Cup End Bit RH 1.625 x 13.000 x 22.000 7
3G8288 3G-8288 Hot Cup End Bit LH 1.625 x 13.000 x 22.000 7
4T6239 4T-6239 Level Cut End Bit RH 1.000 x 10.000 x 18.000 7
4T6240 4T-6240 Level Cut End Bit LH 1.000 x 10.000 x 18.000 7
4T8089 4T-8089 Level Cut End Bit RH 1.125 x 10.000 x 19.125 7
4T8090 4T-8090 Level Cut End Bit LH 1.125 x 10.000 x 19.125 7
9W8656 9W-8656 1 1 " Center 1.375 x 11.000 x 30.625 5
9W8655 9W-8655 1 1 " End 1.375 x 11.000 x 36.375 6
7T4352 7T-4352 Wide End (Offset Holes) 1.625 x 13.000 x 36.375 6
7T4349 7T-4349 Wide LH End (Offset Holes) 1.625 x 13.000 x 30.625 5
7T4350 7T-4350 Wide RH End (Offset Holes) 1.625 x 13.000 x 30.625 5
7T4091 7T-4091 End Bit (Long Side) RH 2.250 x 15.500 x 20.750 7
7T4090 7T-4090 End Bit (Long Side) LH 2.250 x 15.500 x 20.750 7
3G7289 3G-7289 Dozer Blade Support 1.125 x 8.500 x 190.625 40

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Contact: Zoe Shi

Phone: +86-19700710133

Tel: +86-19700710133

Email: order@longwearparts.com

Add: Beilun District, Ningbo, China

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