20′-40′-45′ City 3-Axle Chassis General Specs
Tare Weight:
Approximately 9,700 lb.
GVWR:
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
Dimensions
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:
Roadside
Lighting
Light Attachment:
Flange mounted
Light Type:
LED
Brakes
Drum:
Steel outboard mounted
Lubrication:
Oil 90 W
Brake System Type:
2S1M
Brake Chambers:
30/30
Wheels
Rims:
Steel 22.5″ × 8.25″ hub piloted
Tire Size:
11R 22.5
Hub Type:
Steel
Axles
Axle Type:
5″ round, tapered, 77.5″ long
Axle Quantity:
Three
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
Suspension Type:
Three-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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