Komatsu D51PX-24
Configuration: D51PX-24 (no integrated machine control), 710 mm single-grouser shoes, high-capacity power angle-tilt dozer 3,350 mm; EPA Tier 4 Final
21 sourced values · Sources: Komatsu D51EX/EXi/PX/PXi-24 brochure, EN-D51-BR01-0526-V3 (© 2026, Tier 4 Final). Retrieved 2026-10-25
Dimension diagram
| A | Overall length | 4,850 mm |
| B | Overall height | 3,176 mm |
| C | Track length on ground | 2,745 mm |
| D | Ground clearance | 390 mm |
| E | Overall width | 2,590 mm |
| F | Track gauge / tread | 1,880 mm |
| G | Shoe / track width | 710 mm |
Weights
| Spec | Value | Source |
|---|---|---|
| Operating weight | 14,180 kg | Published: 14,180 kg Komatsu D51EX/EXi/PX/PXi-24 brochure, EN-D51-BR01-0526-V3 (© 2026, Tier 4 Final). Retrieved 2026-10-2531,262 lb, as on the brochure cover. Incl. PAT dozer, ROPS cab, operator, full fuel. |
| Shipping / tractor weight | Not published | Komatsu D51EX/EXi/PX/PXi-24 brochure, EN-D51-BR01-0526-V3 (© 2026, Tier 4 Final). Retrieved 2026-10-25 The tractor-weight table lists only the EXi and PXi variants; no D51PX-24 tractor weight is printed. |
Dimensions
Undercarriage / tires
| Spec | Value | Source |
|---|---|---|
| Undercarriage type | Crawler (steel tracks, PLUS rotating bushings) | Published: Crawler (steel tracks, PLUS rotating bushings) Komatsu D51EX/EXi/PX/PXi-24 brochure, EN-D51-BR01-0526-V3 (© 2026, Tier 4 Final). Retrieved 2026-10-25 |
| Track rollers / shoes per side | 7 track rollers, 44 shoes per side | Published: 7 track rollers, 44 shoes per side Komatsu D51EX/EXi/PX/PXi-24 brochure, EN-D51-BR01-0526-V3 (© 2026, Tier 4 Final). Retrieved 2026-10-25Carrier roller count not published. |
Ground pressure
| Spec | Value | Source |
|---|---|---|
| Ground pressure | 32 kPa | Published: 32 kPa Komatsu D51EX/EXi/PX/PXi-24 brochure, EN-D51-BR01-0526-V3 (© 2026, Tier 4 Final). Retrieved 2026-10-25ISO 16754, with dozer and ROPS cab (0.33 kgf/cm², 4.64 psi). Column headed D51PX-24/D51PXi-24. |
Engine
| Spec | Value | Source |
|---|---|---|
| Engine model | Komatsu SAA4D107E-7 | Published: Komatsu SAA4D107E-7 Komatsu D51EX/EXi/PX/PXi-24 brochure, EN-D51-BR01-0526-V3 (© 2026, Tier 4 Final). Retrieved 2026-10-25EPA Tier 4 Final. |
| Net power | 98 kW | Published: 98 kW Komatsu D51EX/EXi/PX/PXi-24 brochure, EN-D51-BR01-0526-V3 (© 2026, Tier 4 Final). Retrieved 2026-10-25ISO 9249 / SAE J1349 (131 HP). 91 kW with hydraulic fan at max speed. |
| Gross power | 99 kW | Published: 99 kW Komatsu D51EX/EXi/PX/PXi-24 brochure, EN-D51-BR01-0526-V3 (© 2026, Tier 4 Final). Retrieved 2026-10-25SAE J1995 (133 HP). |
| Displacement | 4.5 L | Published: 4.5 L Komatsu D51EX/EXi/PX/PXi-24 brochure, EN-D51-BR01-0526-V3 (© 2026, Tier 4 Final). Retrieved 2026-10-25 |
| Rated speed | 2,200 rpm | Published: 2,200 rpm Komatsu D51EX/EXi/PX/PXi-24 brochure, EN-D51-BR01-0526-V3 (© 2026, Tier 4 Final). Retrieved 2026-10-25 |
Hydraulics
| Spec | Value | Source |
|---|---|---|
| Pump / aux flow | 97 L/min | Published: 97 L/min Komatsu D51EX/EXi/PX/PXi-24 brochure, EN-D51-BR01-0526-V3 (© 2026, Tier 4 Final). Retrieved 2026-10-25Piston pump discharge at rated rpm (26 US gpm). |
| System / relief pressure | 27.4 MPa | Published: 27.4 MPa Komatsu D51EX/EXi/PX/PXi-24 brochure, EN-D51-BR01-0526-V3 (© 2026, Tier 4 Final). Retrieved 2026-10-253,974 psi. |
Performance
| Spec | Value | Source |
|---|---|---|
| Blade capacity | 3.4 m³ | Published: 3.4 m³ Komatsu D51EX/EXi/PX/PXi-24 brochure, EN-D51-BR01-0526-V3 (© 2026, Tier 4 Final). Retrieved 2026-10-25High-capacity PAT dozer, SAE J1265 (4.4 yd³). |
| Blade / moldboard width | 3,350 mm | Published: 3,350 mm Komatsu D51EX/EXi/PX/PXi-24 brochure, EN-D51-BR01-0526-V3 (© 2026, Tier 4 Final). Retrieved 2026-10-25Dim. A. Blade height 1,170 mm. Minimum turning radius 2.6 m. |
| Max travel speed | 9 km/h | Published: 9 km/h Komatsu D51EX/EXi/PX/PXi-24 brochure, EN-D51-BR01-0526-V3 (© 2026, Tier 4 Final). Retrieved 2026-10-253rd forward and reverse (5.6 mph). |
Similar models
| Brand | Model | Operating weight |
|---|---|---|
| Case | 1150M | ≈ 14,330 kg |
| John Deere | 700 P-Tier | 14,016 kg |
| Liebherr | PR 716 G8 Litronic | 13,290 kg |
| Caterpillar | D4 | 13,272 kg |
| Komatsu | D51PXi-24 | 14,260 kg |
| John Deere | 750 P-Tier | 17,041 kg |
Compare side by side with Case 1150M and John Deere 700 P-Tier