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Special Trailers

Log Trailer

SIGMA's log trailer is a heavy-duty semi trailer built for hauling round timber and logs from forest roads to sawmills, with reinforced stanchions and a low-slung frame to handle uneven loads. Built in gooseneck and drawbar configurations for forestry fleets.

2-Axle12m40 TonLog Bolster
Overall Length 9,000-12,000 mm
Overall Width 2,500 mm
Bolster Height 1,200-1,500 mm
Payload Capacity 35-40 Tons
Log Trailer
ISO 9001 CE OEM/ODM

Over 10 years of manufacturing excellence, trusted by clients in 50+ countries.

Overview

The log trailer carries round timber on a bolster-and-stanchion deck engineered to hold load shape on rough forest tracks, with a gooseneck log trailer front section that keeps the swing radius tight for tight logging roads. Frame is Q345B steel, reinforced at the bolster mounts where load stress concentrates during loading with a grapple or crane. We build both single and tandem bolster layouts depending on log length, and the deck sits low enough to keep the center of gravity stable when hauling green timber, which runs heavier than dried lumber. Stanchions are removable for backhaul of other cargo.

Features

  • Bolster-and-stanchion deck holds round timber loads without shifting on rough roads
  • Gooseneck log trailer front section keeps turning radius tight on forest access roads
  • Reinforced stanchion base mounts absorb impact loading from grapple and crane operators
  • Removable stanchions convert the deck for backhaul of other freight
  • Low deck height keeps center of gravity stable with green (wet) timber loads
  • Reinforced chassis rated for repeated off-road and logging-yard duty cycles
  • Adjustable bolster spacing accommodates varied log lengths in one build

Applications

  • Forest-to-sawmill round timber haulage
  • Logging contractor fleets on unpaved access roads
  • Pulp and paper mill wood supply chains
  • Firewood and biomass wood transport
  • Timber export to port for shipment
  • Land-clearing and forestry contractor operations

Deck and Bolster System Built for Round Timber

A log trailer for sale at this scale is a different machine entirely from a small atv log trailer used for personal woodlot or firewood work - it has to hold irregular, heavy loads that shift weight as logs settle during a haul, so the bolster-and-stanchion deck is the part we spend the most engineering time on. Stanchion bases are reinforced where grapple loaders and cranes concentrate impact during loading, and the deck itself sits low to keep the load's center of gravity manageable, especially with green timber that runs heavier than seasoned lumber. Forestry contractors running mixed fleets often pair this unit with our Flatbed Trailer for hauling milled lumber or equipment once the stanchions come off.

Gooseneck and Drawbar Options for Forest Access Roads

We build the log trailer as a gooseneck log trailer for operators who need a tighter turning radius on narrow forest tracks, and as a straight drawbar configuration for yards with more room to maneuver. Both share the same Q345B steel frame and axle group, so parts stock stays simple across a mixed fleet. Buyers searching for a log trailer with grapple for sale usually mean this gooseneck or drawbar semi trailer fitted for grapple-loader duty at the forestry contractor scale, not the much smaller atv log trailer with grapple built for hobby or homestead use. Contractors who also move oversized equipment into logging sites ask about our Lowbed Trailer, which uses the same suspension and tire spec for consistent maintenance.

Stanchions Removable for Backhaul Loads

Logging routes rarely run full both ways, so the stanchions bolt off the deck in under an hour, turning the trailer into a flat platform for backhaul freight like machinery, pallets, or construction material. This cuts empty-return mileage for contractors running long routes between forest and mill. Bolster spacing is adjustable at the factory to match typical log lengths for a given region, whether that's short pulpwood bolts or long sawlogs. For contractors searching log trailers for sale near me, SIGMA ships export orders through regional distributor yards rather than requiring every buyer to source direct from the factory.

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