31’ Bridgemaster Heavy-Duty Extendable 3-Axle Chassis General Specs
Tare Weight:
Approximately 9,350 lb.
GVWR:
70,000 lb.
Steel & Fasteners:
All structural steel for our 31’ Bridgemaster Heavy-Duty Extendable 3-Axle Chassis is ASTM-A572, Grade 50, or ASTM-A607, Grade 50 or better. All structural fasteners are Grade 5 or better and are zinc coated
Main Beams:
Fabricated high tensile steel I-beams
Cross Member:
Fabricated steel
Upper Coupler Assembly:
0.25″-thick pick up plate
Fifth Wheel Height:
48 inches
Front Bolster:
Integral fabricated steel
Rear Bolster:
Fabricated high tensile steel I-beams
ICC Bumper:
4″ × 4″ tube, 40″ long
Mud Flaps:
24″ × 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:
31.4 feet
Overall Length Extended:
40.9 feet
Dimensions
Overall Chassis Width:
96 inches
Maximum Rear Height:
Approximately 49.75 inches
Landing Gear
Landing Gear:
AAR-approved two speed with square leg. 55,000 lift-lb. lift capacity and 160,000-lb. static load capacity
Landing Gear Foot Group:
10″ × 10″ low profile sand shoes
Crank Handle Location:
Roadside
Lighting
Light Attachment:
Flanged mounted
Light Type:
LED
Brakes
Drum:
Outboard mounted
Brake LIning Options:
Standard
Lubrication:
Synthetic Grease
Brake System Type:
2S1M
Brake Chambers:
30/30
Wheels
Rims:
22.5″ × 8.25″ steel
Tire Size:
11R 22.5
Hub Type:
Steel
Axles
Axle Type:
5″ round, tapered, 71.5″ long
Axle Quantity:
Three
Axle Centers:
61″ spread
Triaxle Location:
86.5 inches between center axle and rear of trailer
Kingpin Location:
15 inches from front of trailer
Suspension
Suspension Type:
Two-leaf spring ride
Finish
Metal Preparation:
Clean, dry steel and NACE No. 3 /SSPC-SP-6 “Commercial Blast Cleaning”
Primer:
Zinc-rich primer
Topcoat:
Black urethane
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