4 Commercial Vehicle Log Truck plus
Weight & Dimension 4 Axle Trailer
Specification Last Modified: April 1, 2010
Policy
Dimensions
1. All logging trucks that exceed legal dimensions require a log haul dimension permit or a winter weight
log haul permit.
2. Log haul permits allow increased dimensions as indicated for:
(a) the overall length when loaded. ............ [ maximum of 26.0 metres ]
(b) the overall width ................................... [ maximum of 3.20 metres ]
(c) the height of the vehicle or load ........... [ maximum of 4.80 metres ]
(d) the height of a log picker ...................... [ maximum of 5.30 metres ]
(e) the overhang when loaded.................... [ as noted below ]
(f) the trailer track width ............................ [ maximum of 3.05 metres ]
3. The Commercial Vehicle Dimension and Weight Regulation AR 315/2002 applies to all other
dimensions.
4. Rear Overhang:
• The maximum rear overhang from center of last axle to end of logs is 3.0 metres.
5. The bunk and all bunk support systems such as rings and cables are to be within the stipulated
maximum overall width of the vehicle.
Legal Weight
1. Steering axle ....... 7.300 kg *
2. Tandem axle ......... 17,000 kg
3. GVW ..................... 55,300 kg (four axle trailer is limited to 31,000 kg)
* See the log picker policy for maximum GVW weights with configurations equipped with picker trucks.
* * For picker trucks which have a multi-trip permit for the steering axle weight to exceed 7,300 kg, the
permitted steering axle weight indicated on that permit shall apply. Any weight in excess of 7,300 kg
applies to tare weight only.
* * The carrier must have a valid TAC permit and County/MD approval to travel on local roads.
Otherwise, the legal weight on local roads is limited to 17,000 kg for tridem axles and 53,500 kg
GVW.
NOTE: Axle combinations, axle spacing, and/or GVW limits will reduce the allowable seasonal axle
weights on some routes.
For more information, contact Transport Engineering at 403 340-4957 Toll Free in Alberta 310-0000. This policy is subject to change
without notice. The up-to-date policy is on the Government of Alberta website at http://www.transportation.alberta.ca/3193.htm
teg051.doc Page 1 of 2
4 Commercial Vehicle Log Truck plus
Weight & Dimension 4 Axle Trailer
Specification Last Modified: April 1, 2010
Winter Weights
Green routes: 22,000 kg/tandem axle
60,000 kg GVW
Trailer GVW not to exceed 32,000 kg
Require minimum interaxle spacing of 5.0 metres between any two tandem axle
groups.
If less than 5.0 metres, weights for red routes apply
Blue routes: 20,000 kg/tandem axle
59,300 kg GVW
Trailer GVW not to exceed 32,000 kg
Require minimum interaxle spacing of 5.0 metres between any two tandem axle
groups.
If less than 5.0 metres, weights for red routes apply
Yellow routes: 20,000 kg/tandem axle
59,300 kg GVW
Trailer GVW not to exceed 32,000 kg
Require minimum interaxle spacing of 5.0 metres between any two tandem axle
groups.
If less than 5.0 metres, weights for red routes apply
Red routes: No winter weights. Legal weights only as per Commercial Vehicle Dimension and
Weight Regulation, subject to road bans and restricted bridges.
Brown routes: Private, Bush, and Licence of Occupation Roads. Check with the owner for
allowable weights.
Black routes: Non log haul roads. Legal weights and dimensions apply.
NOTE:
(a) A winter weight log haul permit, along with a validated route map is required.
(b) Winter weights apply only during frozen road conditions as directed in writing to the mill by
Alberta Transportation.
(c) The steering axle winter weight shall not exceed the lesser of :
• rated tire capacity
• 10 kg. per mm. width of tire, or
• 7,300 kg or the weight allowed by a steering axle permit for picker trucks.
(d) The extra weight allowed for the steering axle on picker trucks cannot increase the allowable
gross vehicle weight beyond the limits specified above.
(e) The weights indicated include all tolerance. No further tolerance will be allowed.
(f) To qualify for winter weights, all trailers built after December 31, 2001 are to have a track width
between 2.8 – 3.05 metres. Trailers built prior to that date with a track width of less than 2.8
metres will continue to qualify for winter weights until April 2011.
For more information, contact Transport Engineering at 403 340-4957 Toll Free in Alberta 310-0000. This policy is subject to change
without notice. The up-to-date policy is on the Government of Alberta website at http://www.transportation.alberta.ca/3193.htm
teg051.doc Page 2 of 2
4 Commercial Vehicle Log Truck plus
Weight & Dimension 4 Axle Trailer
Specification Last Modified: April 1, 2010
Appendix A
Revisions
Date Revision Description
September 25, 2009 Formatted Document.
April 1, 2010 Added reference to TAC permit.
For more information, contact Transport Engineering at 403 340-4957 Toll Free in Alberta 310-0000. This policy is subject to change
without notice. The up-to-date policy is on the Government of Alberta website at http://www.transportation.alberta.ca/3193.htm
teg051.doc A-1
