Machine models
Komatsu dump truck specifications
Every Komatsu dump truck model with a full listing.
18 Komatsu dump truck models have a page here, 6 articulated dump trucks and 12 rigid rock trucks. The Komatsu dump truck list runs from the HA250-3 to the HD405-7, at 230 to 3,346 hp, in 47 listed versions.
The Komatsu dump truck models covered
18 Komatsu dump truck models have a page here, covering 47 listed versions between them.
The Komatsu dump truck range by model and configuration
6 articulated dump truck pages: engine power from 240 hp on the HA250-3 to 448 hp on the HM400-3M0, and the heaviest single listing is the HM350-2 at 68,500 lb. 12 rigid rock truck pages: engine power from 230 hp on the HD180-4 to 3,346 hp on the 960E-1, and the heaviest single listing is the 960E-1 at 549,998 lb. Half of the 33 Komatsu dump truck models sit between 334 and 782 hp, and half of the listed weights on single-model pages fall between 68,500 lb and 309,950 lb. The three most powerful are the 960E-1 at 3,346 hp, 830E-AC at 2,360 hp, and 830E at 2,360 hp. 11 of the 18 pages cover more than one version, and the 730E-8 to 980E-4 has the most, at 8.
Komatsu dump truck: Articulated dump truck models
| Model | Engine power | Listed weight | Versions |
|---|---|---|---|
| Komatsu HA250-3 and HA270-3 | 240 hp and 240 hp | See page | 2 |
| Komatsu HM300-3 and HM400-3 | 324 hp and 334 hp | See page | 2 |
| Komatsu Hm300-1 to HM400-2 | 324.6 hp, 388.9 hp, 430.5 hp, and 438 hp | See page | 4 |
| Komatsu HM300-5 | 324.6 hp | 55,986 lb | 1 |
| Komatsu HM300-2 and HM400-3M0 | 329 hp and 448 hp | See page | 2 |
| Komatsu HM350-2 | 394 hp | 68,500 lb | 1 |
Komatsu dump truck: Rigid rock truck models
| Model | Engine power | Listed weight | Versions |
|---|---|---|---|
| Komatsu HD180-4 to HD405-6 | 230 hp, 280 hp, 405 hp, 438 hp, 488 hp, and 488 hp | See page | 6 |
| Komatsu HD465-2 to HD605-7 | 679 hp, 715 hp, 715 hp, and 715 hp | See page | 4 |
| Komatsu HD605-5 | 715 hp | 105,436 lb | 1 |
| Komatsu HD680 to HD1200M-1 | 775 hp, 782 hp, 1,160 hp, and 1,160 hp | See page | 4 |
| Komatsu HD785-1 | 877 hp | 113,538 lb | 1 |
| Komatsu HD785-5 | 1,042 hp | 155,403 lb | 1 |
| Komatsu 730E-7 | 1,860 hp | 309,950 lb | 1 |
| Komatsu 830E and 830E-AC | 2,360 hp and 2,360 hp | See page | 2 |
| Komatsu 960E-1 | 3,346 hp | 549,998 lb | 1 |
| Komatsu 730E-8 to 980E-4 | See page | See page | 8 |
| Komatsu HD325-7 to HD1500-7 | See page | See page | 4 |
| Komatsu HD405-7 and HD605-7E0 | See page | See page | 2 |
What the Komatsu dump truck list holds
18 pages, ordered by power. HA250-3 and HA270-3 (240 hp and 240 hp); HM300-3 and HM400-3 (324 hp and 334 hp); Hm300-1 to HM400-2 (324.6 hp, 388.9 hp, 430.5 hp, and 438 hp); HM300-5 (324.6 hp, 55,986 lb); HM300-2 and HM400-3M0 (329 hp and 448 hp); HM350-2 (394 hp, 68,500 lb); HD180-4 to HD405-6 (230 hp, 280 hp, 405 hp, 438 hp, 488 hp, and 488 hp); HD465-2 to HD605-7 (679 hp, 715 hp, 715 hp, and 715 hp); HD605-5 (715 hp, 105,436 lb); HD680 to HD1200M-1 (775 hp, 782 hp, 1,160 hp, and 1,160 hp); HD785-1 (877 hp, 113,538 lb); HD785-5 (1,042 hp, 155,403 lb); 730E-7 (1,860 hp, 309,950 lb); 830E and 830E-AC (2,360 hp and 2,360 hp); 960E-1 (3,346 hp, 549,998 lb); 730E-8 to 980E-4; HD325-7 to HD1500-7; HD405-7 and HD605-7E0. By kind: 6 articulated dump trucks at 240 to 448 hp and 43 to 75,056 lb; 12 rigid rock trucks at 230 to 3,346 hp and 37,016 to 549,998 lb.
The engines that recur are SSDA18V170 (5), SAA6D140E-3 (4), SAA6D140E-5 (4), SAA6D170E-5 (3), and SSDA16V160 (3).
Other Komatsu equipment directories
New to the figures? Start with the specifications section and the machine classes.
| Evidence class | Document, classification and recorded date |
|---|---|
| Reference site |
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Komatsu dump truck questions
| Equipment inventory | 18 models in 2 kinds of machine: 6 articulated dump trucks and 12 rigid rock trucks. |
|---|---|
| Named starting references | The list starts with HA250-3, HM300-3, and Hm300-1. |
| Comparison example | The HA250-3 and HA270-3 page is one example, setting 2 listed versions side by side. |
|---|---|
| Directory guides recorded | 18 |
| Reference pages | 18 |
|---|---|
| Observation date | 2026-09-24 |
| First named reference | HA250-3 |
| Last named reference | HD405-7 |
| Recorded field-count cutoff | 20 |
|---|---|
| Short listings recorded | 82 |
| Examples named in the record | D10S-1, D20PL-7, and D20PLL-7 |
| Configurations recorded | 47 |
|---|---|
| Recorded engine-power range |
|
| Model | HM300-5 |
|---|---|
| Engine hp per 1,000 lb | 5.8 |
| Engine power in this directory |
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|---|
| Observation date | 2026-09-24 |
|---|---|
| Configurations in that observation | 47 |
| Guides in the stated price-exclusion scope | 18 |
|---|
| Count by class | 6 articulated dump trucks and 12 rigid rock trucks |
|---|
| Engine-power range |
|
|---|
| Configurations | 47 |
|---|---|
| Reference pages | 18 |
| Field | Earlier reference entry | Corrected quantity and scope |
|---|---|---|
| Total Empty | 56 lb | 55,986 lb; Approximate empty machine:25,395kg, not loaded vehicle mass Komatsu specification |
| Total Loaded | 117.9 lb | 117,892 lb; Approximate gross vehicle weight:53,475kg Komatsu specification |
| Max Torque | 1.3 lb-ft | 1,237 lb-ft; Manufacturer engine maximum torque,171kg-m Komatsu specification |
| Number Of Reverse Gears | 6 | 2; F6-R2 automatic countershaft transmission Komatsu specification |
| DEF Tank Capacity | 18.9 gal | 8.7 gal; 32.8L DEF;18.9USgal belongs to total differentials Komatsu specification |
| Hoist Cylinder | Twin, 1-stage type | Twin, telescopic type; Manufacturer hydraulic-system description Komatsu specification |
| Hoist Time | 10.5 | 10.5 sec; Brochure supplies the missing seconds unit Komatsu specification |
| Rated Payload | 56,000 lb | 61,800 lb; Rounded conversion only:30.9USshorttons×2000; manufacturer also prints28.0metrictonnes Komatsu specification |
| Capacity - Heaped | 22.37 yd3 | 22.4 yd3; Manufacturer heaped SAE2:1 body volume17.1m3; earlier reference rounding retained Komatsu specification |
| Earlier power-to-weight result | 5,796.4 hp per1,000lb, rejected | 324.6hp ÷55,986lb ×1000 =5.8hp per1,000lb, rounded; numerator retains the historical reference edition. |
| Earlier payload/body result | 2,503lb peryd3, rejected | 61,800lb ÷22.4yd3 =2,759lb peryd3, rounded. Uses rounded short-ton conversion; not an allowable material density. |