Komatsu has approved the 518 hp HM460-6 articulated dump truck for use with the 37-cubic-yard K-Tec 1237 scraper in North America. Here is what contractors should evaluate.
Komatsu has approved the 518 hp HM460-6 articulated dump truck for use with the 37-cubic-yard K-Tec 1237 scraper in North America. Here is what contractors should evaluate.
Komatsu has approved the K-Tec 1237 ADT scraper for use with its HM460-6 articulated dump truck, creating a single-operator earthmoving combination for contractors that need both hauling and scraper capability. The approval was announced on 21 October 2026 and applies to Komatsu dealers in North America. Komatsu has not announced this package for India, so Indian buyers should treat it as a product-development signal rather than a locally available configuration.
The combination pairs a 518 hp articulated truck with a 37-cubic-yard scraper. Komatsu says its engineers tested and approved the pairing, while retaining the truck’s one-year unlimited warranty. Optional coverage of up to 60 months or 10,000 hours is available for the HM460-6 in the announced market.
| Item | Published specification | Why it matters |
|---|---|---|
| Truck power | 518 gross hp (386 kW) at 1,700 rpm | Power available for towing and grade work |
| Truck payload | 42 metric tonnes / 46.3 US tons in dump-truck configuration | Shows the HM460-6’s base hauling class |
| Scraper capacity | 37 cubic yards | Defines the bowl size of the approved K-Tec unit |
| Transmission | 9 forward speeds, 2 reverse | Supports travel across changing haul conditions |
| Maximum travel speed | 53.3 km/h | Relevant when evaluating longer internal haul routes |
| Market status | Available through participating Komatsu dealers in North America | Not evidence of India availability |
These figures come from Komatsu’s approval announcement and the company’s HM460-6 product specifications. They are manufacturer claims and specifications, not an independent jobsite productivity test.
An articulated dump truck normally hauls material in its body and tips it at the destination. In the approved scraper configuration, the HM460-6 becomes the prime mover for a separate K-Tec bowl. That gives a fleet the option to use the same truck chassis for two distinct roles, provided the conversion process, hitch, tyres, operator training and site conditions are properly planned.
The commercial argument is flexibility. A contractor may be able to deploy the truck as a conventional hauler on one project and pair it with a scraper on another, rather than owning two completely separate prime movers. That does not automatically make the combination cheaper. Utilisation, conversion time, support availability, scraper loading conditions, haul distance and resale assumptions all affect the result.
Komatsu says the package is intended for mass excavation, including longer-distance work and soft or complex ground. The HM460-6 uses the Komatsu Traction Control System, inter-axle and cross-axle differential locks, plus hydro-pneumatic suspension. Its DBA127 engine is paired with a new nine-speed transmission. Komatsu compares the truck with the HM400-5 and claims 9% more horsepower, 23% more torque and up to 12% lower fuel consumption; buyers should validate those comparison conditions against their own duty cycle.
Do not compare bowl capacity alone. Record cut depth, loading time, loaded travel, unloading, return speed, queuing and daily repositioning. A fast travel speed has limited value if the scraper cannot load consistently in the site’s material.
The combination may be attractive where an articulated chassis can maintain speed and traction over longer, uneven internal routes. Short pushes, tight urban sites or operations that already have efficient excavator-truck loading may favour a different fleet.
Wet clay, loose fill, gradients and turning areas change usable production. The approved pairing confirms mechanical compatibility; it does not replace a site-specific traction and underfoot assessment.
Buyers should ask what is included with the hitch, scraper, hydraulic and electrical integration, parts stocking, commissioning and operator training. Komatsu says its dealers can order K-Tec scrapers, hitches and parts directly from K-Tec in North America. Equivalent support has not been announced for India.
A 37-cubic-yard scraper rating is not the same as 37 cubic yards moved every cycle. Material density, fill factor, moisture, grade and operator technique determine the effective payload. Contractors should compare tonnes or bank cubic metres moved per hour and cost per unit, not headline capacity alone.
The immediate news is not a local product launch. It is evidence of OEM interest in modular fleets that can shift between hauling and mass-earthmoving roles. Indian contractors working on highways, industrial sites, mining overburden and large land-development packages may find the configuration relevant, but purchase decisions require confirmation of homologation, dealer support, warranty terms, parts and attachment availability in India.
The development also fits a broader move toward application-specific machine combinations. Equipment Brief has recently examined Komatsu’s PC200-11M2 and PC210-11M2 excavators, the creation of the dedicated Volvo Mining entity, and the operating-life milestone reached by a Hitachi EX5500-6 mining excavator. In each case, the useful buying question is not whether the headline specification is larger, but whether the machine-support system matches the site.
Komatsu’s approval gives North American contractors a factory-supported route to pair the HM460-6 with the K-Tec 1237 scraper while retaining the stated truck warranty. The combination’s 518 hp prime mover, 37-cubic-yard bowl and ability to return the chassis to dump-truck duty make it worth evaluating for large earthmoving programmes. Its value will depend on measured cycle economics and dealer support, and there is currently no confirmed India availability.
Featured image: Komatsu HM300 articulated dump truck in Austria, used as an illustrative image rather than a depiction of the HM460-6/K-Tec 1237 combination. Photo by JoachimKohler-HB via Wikimedia Commons, licensed under CC BY-SA 4.0. Source and licence details.
