Sample Gross Weight by Truck Type Choose the Truck Type 5 Axle Semi Truck3 Axle Semi Truck6 Axle Semi Truck4 Axle - Single Drive4 Axle - Tandem Drive7 Axle - Tridem - Tridem5 Axle Semi Truck - Spread Tandems7 Axle B-Train8 Axle B-Train10 Axle B-TrainSemi truck with 4 Axle Trailer - Even SpreadSemi truck with 4 Axle Trailer - Steer and TridemSemi truck with 5 Axle Trailer - Teeter TotterSemi truck with 5 Axle Trailer - Rear TridemSemi truck with 6 Axle Trailer - Teeter TotterSemi truck with 6 Axle Trailer - Rear Quadruple5 Axle A-Train2 Axle Straight Truck3 Axle Straight TruckLCV with Doubles - Tandem GroupingsLCV with Doubles - Triple Axle GroupingsLCV with TriplesLCV with Rocky Mountain Doubles - 9 axles11 Axle Michigan A - TrainSemi truck with 8 Axle Trailer - Michigan Octopede13 Axle South Dakota A-Train17 Axle South Dakota A-Train Units US Imperial Metric For access to all information please see our membership plans! 3 Comments John van der Weerden on September 9, 2017 at 9:19 am Having just returned from USA and CANADA I would like to show my mates the different tractor trailer axle combinations that I sighted on the roads in Your country Alex on February 12, 2018 at 1:18 am How can Ontario be 101900 lbs if the max per Axel (tandem) is 37000 lbs? Paul Jakubicek on February 13, 2018 at 6:47 am Thanks for the question Alex! According to the Ontario Regulations: Ontario Regulations Steer Axle: 7,700 kgs / 16,976 lbs Tandem Axles (1.2-1.8m spread): 18,000 kgs / 39,683 lbs Tandem Axles (1.8m spread): 19,100 kgs / 42,108 lbs So if you have a semi truck with the wider spread on both your drives and your trailer, you can have: 16,976 + 42,108 + 42,108 = 101,192 lbs. Of course, most trucks will not have a 1.8m spread on their drives and will have a maximum of: 16,976 + 39,683 + 42,108 = 98,767 lbs. All this information and more can be found on the Big Truck Guide membership pages available here: Membership Options Submit a Comment Cancel replyYour email address will not be published. Required fields are marked *Comment Name * Email * Website Save my name, email, and website in this browser for the next time I comment.