Komatsu D39PXi-24
Configuration: PXi (wide-gauge) with intelligent Machine Control, 635 mm single-grouser shoes (PX narrow), standard power angle-tilt dozer 3,250 mm; EPA Tier 4 Final
22 sourced values · Sources: Komatsu D39EX/EXi/PX/PXi-24 brochure, EN-D39-BR01-0526-V2 (© 2026, Tier 4 Final). Retrieved 2026-10-24
Dimension diagram
| A | Overall length | 4,385 mm |
| B | Overall height | 2,850 mm |
| C | Track length on ground | 2,345 mm |
| D | Ground clearance | 390 mm |
| E | Overall width | 2,445 mm |
| F | Track gauge / tread | 1,810 mm |
| G | Shoe / track width | 635 mm |
Weights
| Spec | Value | Source |
|---|---|---|
| Operating weight | 10,410 kg | Published: 10,410 kg Komatsu D39EX/EXi/PX/PXi-24 brochure, EN-D39-BR01-0526-V2 (© 2026, Tier 4 Final). Retrieved 2026-10-2422,950 lb. Incl. PAT dozer, ROPS cab, operator, full fuel. D39PX-24: 10,350 kg. |
| Shipping / tractor weight | 9,200 kg | Published: 9,200 kg Komatsu D39EX/EXi/PX/PXi-24 brochure, EN-D39-BR01-0526-V2 (© 2026, Tier 4 Final). Retrieved 2026-10-24Tractor weight (ROPS cab, U-frame for PAT dozer, full fuel, operator). |
Dimensions
Undercarriage / tires
| Spec | Value | Source |
|---|---|---|
| Undercarriage type | Crawler (steel tracks, PLUS rotating bushings) | Published: Crawler (steel tracks, PLUS rotating bushings) Komatsu D39EX/EXi/PX/PXi-24 brochure, EN-D39-BR01-0526-V2 (© 2026, Tier 4 Final). Retrieved 2026-10-24 |
| Track rollers / shoes per side | 7 track rollers, 39 shoes per side | Published: 7 track rollers, 39 shoes per side Komatsu D39EX/EXi/PX/PXi-24 brochure, EN-D39-BR01-0526-V2 (© 2026, Tier 4 Final). Retrieved 2026-10-24 |
Ground pressure
| Spec | Value | Source |
|---|---|---|
| Ground pressure | 30.1 kPa | Published: 30.1 kPa Komatsu D39EX/EXi/PX/PXi-24 brochure, EN-D39-BR01-0526-V2 (© 2026, Tier 4 Final). Retrieved 2026-10-24ISO 16754, with dozer and ROPS cab, 635 mm shoes (4.39 psi). 700 mm wide shoes: 27.4 kPa. |
Engine
| Spec | Value | Source |
|---|---|---|
| Engine model | Komatsu SAA4D95LE-7 | Published: Komatsu SAA4D95LE-7 Komatsu D39EX/EXi/PX/PXi-24 brochure, EN-D39-BR01-0526-V2 (© 2026, Tier 4 Final). Retrieved 2026-10-24EPA Tier 4 Final. |
| Net power | 78 kW | Published: 78 kW Komatsu D39EX/EXi/PX/PXi-24 brochure, EN-D39-BR01-0526-V2 (© 2026, Tier 4 Final). Retrieved 2026-10-24ISO 9249 / SAE J1349 (105 HP). |
| Gross power | 79 kW | Published: 79 kW Komatsu D39EX/EXi/PX/PXi-24 brochure, EN-D39-BR01-0526-V2 (© 2026, Tier 4 Final). Retrieved 2026-10-24SAE J1995 (107 HP). |
| Displacement | 3.26 L | Published: 3.26 L Komatsu D39EX/EXi/PX/PXi-24 brochure, EN-D39-BR01-0526-V2 (© 2026, Tier 4 Final). Retrieved 2026-10-24 |
| Rated speed | 2,200 rpm | Published: 2,200 rpm Komatsu D39EX/EXi/PX/PXi-24 brochure, EN-D39-BR01-0526-V2 (© 2026, Tier 4 Final). Retrieved 2026-10-24 |
Hydraulics
| Spec | Value | Source |
|---|---|---|
| Pump / aux flow | 99 L/min | Published: 99 L/min Komatsu D39EX/EXi/PX/PXi-24 brochure, EN-D39-BR01-0526-V2 (© 2026, Tier 4 Final). Retrieved 2026-10-24Piston pump discharge at rated rpm (26.2 US gpm). |
| System / relief pressure | 27.4 MPa | Published: 27.4 MPa Komatsu D39EX/EXi/PX/PXi-24 brochure, EN-D39-BR01-0526-V2 (© 2026, Tier 4 Final). Retrieved 2026-10-24 |
Performance
| Spec | Value | Source |
|---|---|---|
| Blade capacity | 2.4 m³ | Published: 2.4 m³ Komatsu D39EX/EXi/PX/PXi-24 brochure, EN-D39-BR01-0526-V2 (© 2026, Tier 4 Final). Retrieved 2026-10-24Standard PAT blade, ISO 9246 (3.14 yd³). Narrow blade: 2.22 m³. |
| Blade / moldboard width | 3,250 mm | Published: 3,250 mm Komatsu D39EX/EXi/PX/PXi-24 brochure, EN-D39-BR01-0526-V2 (© 2026, Tier 4 Final). Retrieved 2026-10-24Dim. A, standard blade. Blade height 910 mm. |
| Max travel speed | 8.5 km/h | Published: 8.5 km/h Komatsu D39EX/EXi/PX/PXi-24 brochure, EN-D39-BR01-0526-V2 (© 2026, Tier 4 Final). Retrieved 2026-10-24Forward and reverse (5.3 mph). |
Similar models
| Brand | Model | Operating weight |
|---|---|---|
| Case | 850M | 10,124 kg |
| John Deere | 650 P-Tier | 9,600 kg |
| Caterpillar | D3 | 9,362 kg |
| Case | 750M | ≈ 9,148 kg |
| Komatsu | D39PX-24 | 10,350 kg |
| John Deere | 550 P-Tier | 8,552 kg |
Compare side by side with Case 850M and John Deere 650 P-Tier