Construction Equipment Guide
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The Komatsu HM400-5 is an articulated off-highway truck designed for hauling material in construction, quarry, and earthmoving applications. It is part of Komatsu's HM series and is commonly used on rough terrain where traction, stability, and payload capacity are required. The HM400-5 features a six-wheel drive configuration, articulated steering, and a dump body suited for efficient loading and transport cycles. It is typically powered by a Komatsu diesel engine and built for durability in demanding site conditions. The model is used in material handling, road building, mining support, and large-scale site development operations.
| Articulated/Rigid | Articulated Starting 2024 Model Year |
| Drive Configuration | 6WD Starting 2019 Model Year |
| Drive System Mech/Electr. | Mech Starting 2025 Model Year |
| Engine Type | Komatsu SAA6D140E-7 Starting 2019 Model Year |
| Mfg. Model | HM400-5 Starting 2019 Model Year |
| Off-Highway Trucks | Off-Highway Trucks Starting 2025 Model Year |
| Operating Weight lbs (kg) | 165,644 (75,135) Starting 2019 Model Year |
| Rated Payload Tons (Metric Tons) | 44.1 (40) Starting 2019 Model Year |
| Articulating/Rigid | Articulated |
| Drive Config | 6WD |
| Rated Payload | 44 t (44,100 kg) |
| Make | Komatsu |
| Operating Weight | 165,644 lbs (75,135 kg) |