Komatsu HM400-1 Articulated Dump Trucks

Komatsu HM400-1

https://prod-jumbo.nyc3.cdn.digitaloceanspaces.com/product/16021/2fbc058939e31264214638db481595ef.webp
https://prod-jumbo.nyc3.cdn.digitaloceanspaces.com/product/16021/782f288db49ac32eeef17ca4af6d2e9c.webp
https://prod-jumbo.nyc3.cdn.digitaloceanspaces.com/product/16021/7a0a881b6ed49947604e5200d580d222.webp
https://prod-jumbo.nyc3.cdn.digitaloceanspaces.com/product/16021/505a21e702052eefd12b21b628362810.webp

5+

sold in last year

General overview

Komatsu HM400-1 is a construction dump truck designed for hauling bulk material in earthmoving and sitework operations. It was produced in Japan from 2001 to 2005 and is powered by the Komatsu SAA6D140E-3 engine. Key output figures include 326 kW (444 hp) rated power and a rated payload of 36,500 kg (80,470 lb), placing it in a heavy haul class for construction transport.

The model uses a full-automatic powershift transmission and has a top forward travel speed of 59 km/h (36.7 mph). Its standard steel, wear-resistant articulated dump body is sized for material transport, with 22 m³ (28.8 cu yd) heaped at 2:1 and 17 m³ (22.2 cu yd) struck capacity. The truck has an operating weight of 30,170 kg (66,510 lb), a 6-cylinder, 15 L engine, and Tier 2 emissions standard level.

Year

2001, 2002, 2003, 2004, 2005

Country of manufacturing

Japan

General specifications

Dimensions

Length

Height

Width

11,025 mm

~434.1 in

3,700 mm

~145.7 in

3,451 mm

~135.9 in

Rated power

444 hp

Rated Payload

36,500 kg

Body Capacities

22.3 cu(m)

Dump Body - Heaped at 2:1

22 cu(m)

Additional specifications

Engine Power

321 kW

Emission standard level

Tier 2

Displacement

15 cu(m)

Transmission type

Full-automatic powershift

Number of Cylinders

6

Ground clearance with standard tires

620 mm

Height

3,700 mm

Length

11,025 mm

Travel Speed Forward

59 km/h

Engine Model

Komatsu SAA6D,140E-3

Power - Net

431 hp

Net Power (ISO 9249)

430 hp

Hydraulic Cycle Time - Lower, Float

12 s

Dump Angle at Maximum Height

70 deg

Dump Body Type

Standard steel, wear-resistant, articulated dump body

Dump Body Struck

17 cu(m)

Dump Body Maximum Dump Angle

70 deg

Operating Weights - Front Equipment

16,714 kg

Operating Weights - Middle Equipment

6,728 kg

Operating Weights - Rear Equipment

6,728 kg

Operating Weights - Total

30,170 kg

Dump Body Height, Dump Position

7,132 mm

Dump Body Side Rail Height

2,970 mm

Dump Body Ground Clearance, Dump Position

1,000 mm

Tire Size

29.5 R 25 E3T radial earthmover tires

Komatsu HM400-1 Articulated Dump Trucks Listings

See similar listings

Looking for Komatsu HM400-1 Articulated Dump Trucks?

See similar listings

Compare Komatsu HM400-1 Articulated Dump Truck to other articulated dump trucks

Not sure which equipment to choose? Use our comparison tool to easily compare equipment side by side based on key features.

Komatsu HM400-1 Articulated Dump Truck
Komatsu HM400-1 Articulated Dump Truck

444 hp

11025 mm × 3451 mm × 3700 mm

Add model
Add model

No reviews yet

Be the first to review this model.

Leave a review. Get a promo code

Leave a review and receive a promo code for your next purchase.

It takes 1-2 minutes.

No questions yet

Be the first to ask a question about this model and help other buyers learn more.

Heavy equipment insights from JumboBee

Visit our Blog
How to Choose the Right Excavator Bucket: Types, Sizes, and Contractor Buying Guide
Equipment
23 Min

October 5, 2026

How to Choose the Right Excavator Bucket: Types, Sizes, and Contractor Buying Guide

This guide covers excavator bucket types, capacities, compatibility, and how to choose the right bucket for your jobsite.

Discover more
Mini Excavator Buying Guide 2026: Best Models, Sizes and How to Choose
Equipment
19 Min

September 28, 2026

Mini Excavator Buying Guide 2026: Best Models, Sizes and How to Choose

This guide breaks down everything you need to know about compact earthmoving equipment.

Discover more
Types of Forklifts: Complete Guide to Classes, Uses, and Applications
Equipment
14 Min

September 21, 2026

Types of Forklifts: Complete Guide to Classes, Uses, and Applications

This guide covers official forklift classes, physical machine variations, and load capacities.

Discover more
Motor Grader Buying Guide: Sizes, Top Brands, and What Contractors Should Look For
Buying
23 Min

October 9, 2026

Motor Grader Buying Guide: Sizes, Top Brands, and What Contractors Should Look For

This guide helps buyers select the right motor grader for their needs and maximize ROI across construction, mining, and snow removal.

Discover more
Repair, Rebuild or Replace Heavy Equipment: 2026 Cost-Based Decision Guide
Buying
12 Min

August 25, 2026

Repair, Rebuild or Replace Heavy Equipment: 2026 Cost-Based Decision Guide

This guide provides a mathematical approach to help you decide what to do with your aging machinery in 2026.

Discover more
How to Inspect Used Heavy Equipment Remotely: Practical Checklist for International Buyers
Buying
13 Min

July 31, 2026

How to Inspect Used Heavy Equipment Remotely: Practical Checklist for International Buyers

This article provides a practical, step-by-step guide for evaluating machinery without physical access.

Discover more

Got Questions?

Our FAQ section covers everything from shipping and listing to buying with confidence.

Can't find what you're looking for?

Sign up and talk to an expert.

Most popular

No confirmed market price is supplied for the Komatsu HM400-1. Check current listings and compare machine condition, location, configuration, and maintenance history.

Key listed capabilities include a 36,500 kg (80,469 lb) rated payload, 22 m³ (28.77 cu yd) heaped dump-body capacity, full-automatic powershift transmission, and a 70° maximum dump angle.

The HM400-1 uses a Komatsu SAA6D140E-3 engine. It has 6 cylinders and is listed with a Tier 2 emission standard level.

Rated power is 444 hp. Net power is listed as 431 hp, while Net Power (ISO 9249) is 430 hp.

The supplied specifications do not confirm the fuel type for the Komatsu HM400-1.

The supplied data does not specify particular applications. Its listed 36,500 kg (80,469 lb) payload and standard steel articulated dump body indicate it should be assessed for material-hauling work that matches site and operating requirements.

The supplied data does not provide an expected lifespan. Evaluate service records, operating hours, structural condition, tires, engine performance, transmission operation, and dump-body hydraulics when assessing a specific machine.

Check maintenance records, frame and dump-body wear, tire condition, engine operation, transmission shifts, hydraulic lift and lowering operation, brakes, steering, leaks, and safety equipment. Confirm that the payload and dimensions fit the intended worksite.