20'-40' Maximizer 12-Pin 3-Axle Flip-Up Rear Bolster Chassis

Carries one 20' or 40' ISO container or two empty 20' ISO containers

20-40 MAX 12 PIN 3 AXLE.jpg

When maximum versatility is critical to your company’s success, our 20-40 Maximizers 12-Pin version is your perfect choice.  Able to accommodate a 40’, 20’, or two empty 20’ containers, the 12-Pin container chassis is sure to fit your need and ensure you are never running without a load.  

General Specs

Tare Weight:
Approximately 10,800 lb.
90,000 lbs in the 40 ft. position
Steel & Fasteners:
All structural steel is ASTM-A572, Grade 50, or ASTM-A607, Grade 50 or better unless otherwise specified. All structural fasteners are Grade 5 or better and are zinc coated
Bogie Beams:
Fabricated I-beam with high-tensile steel
Cross Member:
Fabricated steel
Upper Coupler Assembly:
0.25" thick pick up plate
Fifth Wheel Height:
46.5 inches
Front Bolster:
Fabricated steel
Rear Bolster:
Manual swing down designed to provide a flush back for docking
Intermediate Bolsters:
Fabricated with retractable twist-locks, Hi-Lo Intermediate Bolsters fabricated with swing down twist locks.
ICC Bumper:
4" × 4" tube mounted between bogie beams
Mud Flaps:
30" × 24" white plastic
Electrical System:
12 volt, 7-way split pin receptacle plug; modular wiring harness
Slider Mechanism:
Air-operated locking pins
Overall Length Closed:
30.8 feet
Overall Length Extended:
40.5 feet
Gooseneck Beams:
Fabricated I-beam with high-tensile steel


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

Landing Gear

Landing Gear:
AAR-approved two speed with sqaure 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
Synthetic grease
Brake System Type:
Brake Chambers:


22.5" × 8.25" steel
Tire Size:
255/70R/22.5, 16 PLY
Hub Type:


Axle Type:
5" round, tapered, 71.5" long
Axle Quantity:
Axle Centers:
61" spread between centers
Kingpin Location:
17.5" from front of trailer


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

RE: 20'-40' Maximizer 12-Pin 3-Axle Flip-Up Rear Bolster Chassis

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