Komatsu WF600T-1(S/N 10001-UP)

The Komatsu WF600T-1(S/N 10001-UP) is a wheel-type landfill and waste compactor. It pairs an articulated wheel-loader-based chassis with steel compaction wheels and a fixed front dozer blade used to push, spread, and crush waste at the working face. Power comes from a Komatsu S6D140 inline six-cylinder diesel, naturally aspirated and mechanically governed, rated around 250 kW (335 hp) gross at 2100 rpm, with no electronic engine controls or exhaust aftertreatment, a pre-emissions-era design consistent with Komatsu's 1980s large-equipment generation. Operating weight for this serial range runs approximately 37,000 kg (81,571 lb) in its documented baseline configuration, moved through a power-shift transmission with four forward and four reverse gears. The '-1' suffix marks this as Komatsu's first-generation numbering for this size class; no distinct predecessor model is documented under an earlier compactor designation. The WF600T-1 shares its running gear, engine family, and driveline lineage with Komatsu's period WA600-1 wheel loader and WD600-1 wheel dozer, placing it on that same-generation chassis platform. Wheel tooth pattern (sheepsfoot versus angular knife-edge) is the main configuration choice documented for this model; the blade is fixed-mount rather than a quick-coupler attachment.

Komatsu later moved this compactor class into its '-3' generation lineup, alongside the WF450T-3 and WF550T-3, with the WF650T-3 occupying roughly the same size class and turning up in the same parts catalogs as this WF600T-1. No factory document spells out a formal one-for-one replacement, but the shared parts lineage and size class make the WF650T-3 the closest documented successor. In the used and parts market today, the WF600T-1(S/N 10001-UP) sits in a narrow niche: large landfill compactors were always built in smaller numbers than wheel loaders and dozers, and this pre-electronic, mechanically governed engine has no onboard diagnostics to lean on during troubleshooting. That same simplicity is the draw for owners keeping one running, since the engine, transmission, and axle components belong to a documented wider WA600/WD600-1 platform family rather than a one-off design, which keeps parts sourcing realistic decades after the machine left production. Buyers shopping this class should weigh landfill-duty hours (harder on a machine than grading or loading hours) and prior fire or debris-packing history alongside the usual wear checks.

Below: full specifications, fluids & capacities, the factory service schedule, common service parts, verified fault codes, what owners discuss, attachment guidance, the complete assembly directory, and a serial-number reference. Complete parts lists with full OEM part numbers, exploded diagrams, quantities, and fitment data are available free in Heavy Parts AI.