Komatsu D71EX-24

Configuration: D71EX-24 (no integrated machine control), 610 mm single-grouser shoes, power angle-tilt dozer 3,870 mm; EPA Tier 4 Final

Dimension diagram

Spec	Value	Source
Operating weight	≈ 22,600 kg	Published: 49,824 lb Komatsu D71EX/EXi/PX/PXi-24 brochure, EN-D71-BR01-0526-V5 (© 2026, Tier 4 Final). Retrieved 2026-10-25 With PAT dozer, ROPS cab, operator, full fuel. The cover prints 49,824 lb (22,354 kg); the spec table prints 22,600 kg / 49,824 lb on a row labelled D71EXi-24 that sits where the EX row belongs (the next row is EXi at 22,700 kg / 50,045 lb, matching the cover's EXi figure). The lb figure is consistent in both places and is stored.
Shipping / tractor weight	Not published	Komatsu D71EX/EXi/PX/PXi-24 brochure, EN-D71-BR01-0526-V5 (© 2026, Tier 4 Final). Retrieved 2026-10-25 Tractor-weight rows are labelled EXi/PXi/PXi Wide only (EXi 21,350 kg); no D71EX-24 tractor weight is printed.

Spec	Value	Source
Overall length	5,810 mm	Published: 5,810 mm Komatsu D71EX/EXi/PX/PXi-24 brochure, EN-D71-BR01-0526-V5 (© 2026, Tier 4 Final). Retrieved 2026-10-25 Dim. G, with dozer.
Overall width	2,840 mm	Published: 2,840 mm Komatsu D71EX/EXi/PX/PXi-24 brochure, EN-D71-BR01-0526-V5 (© 2026, Tier 4 Final). Retrieved 2026-10-25 Dim. L, over tracks (610 mm shoes). Blade angled (M): 3,575 mm.
Overall height	3,330 mm	Published: 3,330 mm Komatsu D71EX/EXi/PX/PXi-24 brochure, EN-D71-BR01-0526-V5 (© 2026, Tier 4 Final). Retrieved 2026-10-25 Dim. H.
Track gauge / tread	2,230 mm	Published: 2,230 mm Komatsu D71EX/EXi/PX/PXi-24 brochure, EN-D71-BR01-0526-V5 (© 2026, Tier 4 Final). Retrieved 2026-10-25 Dim. J.
Track length on ground	3,275 mm	Published: 3,275 mm Komatsu D71EX/EXi/PX/PXi-24 brochure, EN-D71-BR01-0526-V5 (© 2026, Tier 4 Final). Retrieved 2026-10-25 Dim. F.
Shoe / track width	610 mm	Published: 610 mm Komatsu D71EX/EXi/PX/PXi-24 brochure, EN-D71-BR01-0526-V5 (© 2026, Tier 4 Final). Retrieved 2026-10-25 Single grouser, 65 mm grouser height.
Ground clearance	410 mm	Published: 410 mm Komatsu D71EX/EXi/PX/PXi-24 brochure, EN-D71-BR01-0526-V5 (© 2026, Tier 4 Final). Retrieved 2026-10-25

Spec	Value	Source
Undercarriage type	Crawler (steel tracks, PLUS rotating bushings)	Published: Crawler (steel tracks, PLUS rotating bushings) Komatsu D71EX/EXi/PX/PXi-24 brochure, EN-D71-BR01-0526-V5 (© 2026, Tier 4 Final). Retrieved 2026-10-25
Track rollers / shoes per side	8 track rollers, 2 carrier rollers, 39 shoes per side	Published: 8 track rollers, 2 carrier rollers, 39 shoes per side Komatsu D71EX/EXi/PX/PXi-24 brochure, EN-D71-BR01-0526-V5 (© 2026, Tier 4 Final). Retrieved 2026-10-25 Carrier rollers from the equipment list.

Spec	Value	Source
Ground pressure	43 kPa	Published: 43 kPa Komatsu D71EX/EXi/PX/PXi-24 brochure, EN-D71-BR01-0526-V5 (© 2026, Tier 4 Final). Retrieved 2026-10-25 ISO 16754, with dozer and ROPS cab (0.44 kgf/cm², 6.2 psi). Contact area 39,960 cm².

Spec	Value	Source
Engine model	Komatsu SAA6D114E-6	Published: Komatsu SAA6D114E-6 Komatsu D71EX/EXi/PX/PXi-24 brochure, EN-D71-BR01-0526-V5 (© 2026, Tier 4 Final). Retrieved 2026-10-25 EPA Tier 4 Final.
Net power	177 kW	Published: 177 kW Komatsu D71EX/EXi/PX/PXi-24 brochure, EN-D71-BR01-0526-V5 (© 2026, Tier 4 Final). Retrieved 2026-10-25 ISO 9249 / SAE J1349 (237 HP). 159 kW with hydraulic fan at max speed.
Gross power	179 kW	Published: 179 kW Komatsu D71EX/EXi/PX/PXi-24 brochure, EN-D71-BR01-0526-V5 (© 2026, Tier 4 Final). Retrieved 2026-10-25 SAE J1995 (240 HP).
Displacement	8.85 L	Published: 8.85 L Komatsu D71EX/EXi/PX/PXi-24 brochure, EN-D71-BR01-0526-V5 (© 2026, Tier 4 Final). Retrieved 2026-10-25
Rated speed	2,100 rpm	Published: 2,100 rpm Komatsu D71EX/EXi/PX/PXi-24 brochure, EN-D71-BR01-0526-V5 (© 2026, Tier 4 Final). Retrieved 2026-10-25

Spec	Value	Source
Pump / aux flow	235 L/min	Published: 235 L/min Komatsu D71EX/EXi/PX/PXi-24 brochure, EN-D71-BR01-0526-V5 (© 2026, Tier 4 Final). Retrieved 2026-10-25 Piston pump discharge at rated rpm (62.3 US gpm).
System / relief pressure	28.8 MPa	Published: 28.8 MPa Komatsu D71EX/EXi/PX/PXi-24 brochure, EN-D71-BR01-0526-V5 (© 2026, Tier 4 Final). Retrieved 2026-10-25 4,177 psi.

Spec	Value	Source
Blade capacity	4.42 m³	Published: 4.42 m³ Komatsu D71EX/EXi/PX/PXi-24 brochure, EN-D71-BR01-0526-V5 (© 2026, Tier 4 Final). Retrieved 2026-10-25 PAT dozer, SAE J1265 (5.8 yd³).
Blade / moldboard width	3,870 mm	Published: 3,870 mm Komatsu D71EX/EXi/PX/PXi-24 brochure, EN-D71-BR01-0526-V5 (© 2026, Tier 4 Final). Retrieved 2026-10-25 Dim. A. Blade height 1,265 mm.
Max travel speed	11 km/h	Published: 11 km/h Komatsu D71EX/EXi/PX/PXi-24 brochure, EN-D71-BR01-0526-V5 (© 2026, Tier 4 Final). Retrieved 2026-10-25 Forward and reverse, 3rd / quick-shift mode (6.8 mph).

Compare side by side with Caterpillar D6 XE and Caterpillar D6