20'-40'-45' City 3-Axle Chassis

Carries one 20', 40', or 45' ISO container. Applicable to operation in Canada.


By use of telescopic action, this unique extendable trailer chassis can grow from 30’ 6” to 45’ 6” in order to accommodate a 20’, 40’ or 45’ shipping container with a GVWR of 59,400, 90,000, and 90,000 lbs. respectively.  The versatility and stability of this tri-axle chassis is what makes it such a great addition to any fleet looking to carry a variety of containers.

General Specs

Tare Weight:
Approximately 9,700 lb.
20' Closed position: 59,400 lb.; 40'-45' Extended positions: 90,000 lb.
Steel & Fasteners:
All structural steel is ASTM-A572, Grade 50, or ASTM-A607, Grade 50. All structural fasteners are Grade 5 or better and are zinc coated
Main Beams:
Wide flange I-Beam
Cross Member:
Fabricated steel
Upper Coupler Assembly:
5/16"-thick pick up plate
Fifth Wheel Height:
48 inches
Front Bolster:
Fabricated channel with steel casting end plates
Rear Bolster:
Channel type
Intermediate Bolsters:
6" × 8" tube
ICC Bumper:
Tube: 47" long
Mud Flaps:
24" × 30" white plastic
Electrical System:
12 volt, 7-way split pin receptacle plug; modular wiring harness
Slider Mechanism:
Air-operated locking pins
Overall Length Closed:
29.6 feet
Overall Length Extended:
40' position: 40.5 feet; 45' position: 45.5 feet
Gooseneck Beams:
Fabricated I-beam with high-tensile steel


Overall Chassis Width:
102 inches
Maximum Rear Height:
48 inches

Landing Gear

Landing Gear:
Two speed AAR approved, square leg. 55,000-lb. lift capacity and 160,000-lb. static load capacity.
Landing Gear Foot Group:
10" × 10" low profile sandshoe
Crank Handle Location:


Light Attachment:
Flange mounted
Light Type:


Steel outboard mounted
Oil 90 W
Brake System Type:
Brake Chambers:


Steel 22.5" × 8.25" hub piloted
Tire Size:
11R 22.5
Hub Type:


Axle Type:
5" round, tapered, 77.5" long
Axle Quantity:
Axle Centers:
60.75 inches
Triaxle Location:
85.75 inches from rear to middle axle center
Kingpin Location:
24 inches from rear face of front bolster


Suspension Type:
Three-leaf spring ride


Metal Preparation:
Clean, dry steel and NACE No. 3 /SSPC-SP-6 commercial blast cleaning
Zinc-rich primer
Black urethane

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