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

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

20'-40'-45' Triaxle Gooseneck Container Chassis

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 60,000, 75,000, and 75,000 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 9,750 lb.
Closed position: 60,000 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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