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Caterpillar D9
Configuration: Build 07A, Semi-Universal (SU) blade, single-shank ripper, 610 mm (24 in) Extreme Service shoes, ROPS/FOPS cab; Cat C18, U.S. EPA Tier 4 Final/EU Stage V engine column.
20 sourced values · Sources: Cat D9 Dozer Technical Specifications AEXQ2868-04 (09-2026), build 07A, Global; covers U.S. EPA Tier 4 Final/EU Stage V and Tier 2/3-equivalent engines. Retrieved 2026-10-25
Dimension diagram
| A | Overall length | 8,219 mm |
| B | Overall height | 4,000 mm |
| C | Track length on ground | 3,470 mm |
| D | Ground clearance | 459 mm |
| E | Overall width | 4,376 mm |
| F | Track gauge / tread | 2,250 mm |
| G | Shoe / track width | 610 mm |
Weights
| Spec | Value | Source |
|---|---|---|
| Operating weight | 49,988 kg | Published: 49,988 kg Cat D9 Dozer Technical Specifications AEXQ2868-04 (09-2026), build 07A, Global; covers U.S. EPA Tier 4 Final/EU Stage V and Tier 2/3-equivalent engines. Retrieved 2026-10-25Hydraulic controls, blade tilt cylinder, coolant, lubricants, full fuel, ROPS/FOPS cab, SU blade, single-shank ripper, 610 mm ES shoes, operator (weights table prints 110,225 lb; blade/ripper tables print 110,205 lb). |
| Shipping / tractor weight | 38,271 kg | Published: 38,271 kg Cat D9 Dozer Technical Specifications AEXQ2868-04 (09-2026), build 07A, Global; covers U.S. EPA Tier 4 Final/EU Stage V and Tier 2/3-equivalent engines. Retrieved 2026-10-25Base machine chassis with cab, pivot shaft, roller frames, track and ROPS. |
Dimensions
Undercarriage / tires
| Spec | Value | Source |
|---|---|---|
| Undercarriage type | Crawler (steel tracks), elevated sprocket | Published: Crawler (steel tracks), elevated sprocket Cat D9 Dozer Technical Specifications AEXQ2868-04 (09-2026), build 07A, Global; covers U.S. EPA Tier 4 Final/EU Stage V and Tier 2/3-equivalent engines. Retrieved 2026-10-25Planetary powershift transmission. |
| Track rollers / shoes per side | 8 track rollers per side, 43 shoes per side; carrier roller optional | Published: 8 track rollers per side, 43 shoes per side; carrier roller optional Cat D9 Dozer Technical Specifications AEXQ2868-04 (09-2026), build 07A, Global; covers U.S. EPA Tier 4 Final/EU Stage V and Tier 2/3-equivalent engines. Retrieved 2026-10-25 |
Ground pressure
| Spec | Value | Source |
|---|---|---|
| Ground pressure | Not published | Cat D9 Dozer Technical Specifications AEXQ2868-04 (09-2026), build 07A, Global; covers U.S. EPA Tier 4 Final/EU Stage V and Tier 2/3-equivalent engines. Retrieved 2026-10-25 Not published in this document. Ground contact area 4.23 m². |
Engine
Hydraulics
| Spec | Value | Source |
|---|---|---|
| Pump / aux flow | Not published | Cat D9 Dozer Technical Specifications AEXQ2868-04 (09-2026), build 07A, Global; covers U.S. EPA Tier 4 Final/EU Stage V and Tier 2/3-equivalent engines. Retrieved 2026-10-25 Implement pump output not printed (only measurement conditions). Steering pump 363 L/min; fan pump 80 L/min. |
| System / relief pressure | ≈ 26.2 MPa | Published: 26,200 kPa Cat D9 Dozer Technical Specifications AEXQ2868-04 (09-2026), build 07A, Global; covers U.S. EPA Tier 4 Final/EU Stage V and Tier 2/3-equivalent engines. Retrieved 2026-10-25Lift cylinder relief valve setting (3,800 psi). Tilt cylinder 19 300 kPa. |
Performance
| Spec | Value | Source |
|---|---|---|
| Blade capacity | 13.6 m³ | Published: 13.6 m³ Cat D9 Dozer Technical Specifications AEXQ2868-04 (09-2026), build 07A, Global; covers U.S. EPA Tier 4 Final/EU Stage V and Tier 2/3-equivalent engines. Retrieved 2026-10-25SU blade, SAE J1265 (17.8 yd³). U blade 16.6 m³. |
| Blade / moldboard width | 4,376 mm | Published: 4,376 mm Cat D9 Dozer Technical Specifications AEXQ2868-04 (09-2026), build 07A, Global; covers U.S. EPA Tier 4 Final/EU Stage V and Tier 2/3-equivalent engines. Retrieved 2026-10-25SU blade over end bits. |
| Max travel speed | 11.6 km/h | Published: 11.6 km/h Cat D9 Dozer Technical Specifications AEXQ2868-04 (09-2026), build 07A, Global; covers U.S. EPA Tier 4 Final/EU Stage V and Tier 2/3-equivalent engines. Retrieved 2026-10-253 forward (7.2 mph). |
Similar models
| Brand | Model | Operating weight |
|---|---|---|
| John Deere | 1050 P-Tier | 42,640 kg |
| Komatsu | D155AX-8 | 40,506 kg |
| Liebherr | PR 756 G8 Litronic | 35,628 kg |
| Liebherr | PR 776 Litronic | 71,800 kg |
| Caterpillar | D8 | 39,500 kg |
| Komatsu | D375A-8 | 74,090 kg |
Compare side by side with John Deere 1050 P-Tier and Komatsu D155AX-8