Table of contents

Overview

Vehicles hauling logs and exceeding regulated dimensions and weights must operate under permits.

These permits include conditions that a vehicle must obey when the dimensions and weights exceed the regulated limits.

9, 10 and quad axle application forms

9 and 10 axle B-Train

Regulation summary

This section includes:

  • regulated limits
  • equivalent to regulated limits for some configurations
  • permitted conditions for log haul configurations allowed to haul dimensions and weights exceeding regulated limits

Standard log truck

Single axle jeep logger

7 axle tandem jeep

8 axle tandem jeep/B-train

9 and 10 axle B-train

Quad axle – Semi-trailer

Dimension/winter weight log haul permit conditions

Standard log truck

Single axle jeep logger

7 axle tandem jeep/B-train

8 axle tandem jeep/B-train

Configurations requiring approval

9 and 10 axle B-train

Quad axle – semi-trailer

Additional permit requirements

Tridem drive trucks

A tridem drive permit is no longer required with the exception of configurations using pole trailers. See the Conditions for Tridem Drive Trucks (PDF, 73 KB).

Log pickers

For information on log haul vehicles equipped with a picker, see:

For weights exceeding 7,300 kg on the steering axle:

For weights exceeding 7,300 kg on the steering axle of a picker truck:

Log truck safety study

The Forest Engineering Research Institute of Canada (FERIC), performed vehicle dynamic research into common log truck configurations during the Western Log Truck Study between 1992 and 1998.

The main conclusion of this study was that the majority of existing logging trucks failed to meet the minimum criteria for safety performance, when hauling Alberta winter weights.

During 1999 and 2000, FERIC undertook a supplementary project to determine what improvements could be made to bring the safety performances up to the minimum standard.

Based on the results of this study, recommendations for the specifications of logging trucks have been developed, as contained in the Western Log Truck Study – Improvements to Dynamic Stability report.

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