20-40 Foot Tri-Axle City Combo Chassis Specifications

New Chassis Made By Cheetah in USA.

Function Carries one 20 ft (50,000 lb max) or one 40 ft ISO Container. Meets all DOT, TOFC, AAR, FMVSS, ANSI, SAE and TTMA specifications in effect at the time of chassis manufacture and applicable to operation in the United States.
Overall Chassis Length (20 ft position) 29 ft 7 inches
Overall Chassis Width 96 inches
Triaxle Location 85 3/4 inches
Kingpin Location 24 inches from rear face of front bolster
Maximum Rear Height 48 in.
Main Frame Width 40 in.
Main Beams Wide flange I-Beam 12 inch deep, 19 lb/ft, hot rolled
steel, ASTM A572-50
Gooseneck Beams 5 inches deep I-Beam, fabricated with 5/8 inch x 4 inch
flanges and 1/4 inch x 4 inch web
Cross Member All cross members are formed from 10-gauge steel
Upper Coupler Assembly Pick up plate is 3/8” thick and extends approximately
18” behind the kingpin and is reinforced fore and aft by
1/4 inch formed channels
Bracing Lateral Bracing
Front Bolster 1/4 inch thick channel 9 inch high x 6 inch deep with 10
gauge stiffeners
Intermediate Bolster 1/4 inch wall x 6 inch x 8 inch tube with 1/2 inch end
plates and retractable twist locks
Rear Bolster Box type with 3/8 inch x 8 inches top plate and 1/4 inch
thick formed channel lower member with ICC light holes.
A small license plate bracket will be mounted on the
under side.
Frame Extension By telescopic action behind the landing gear, the chassis
can be extended by approximately (11) feet. Security for
the frame adjustment is accomplished through two
spring-loaded locking pins that ensure positive
engagement with the main frame.
Twist Lock & Slide Pins Meets ISO standards and requirements
Slider Mechanism Lock engagement ensured by two spring-loaded pins
through main beams. A weld washer secured
polyethylene slide pad facilitates sliding. Automatic tip
activated locking pin.
ICC Bumper 4 inch x 4inch x 3/16 inch Tube step bumper. Main beam
and bumper struts are extended 2 inches to protect rear
bolster. (No rubber dock bumpers)
Landing Gear Jost two speed AAR approved, square leg. 50,000 lb. lift
capacity and 140,000 static load capacity.
Landing Gear Axle Type Standard
Landing Gear Foot Group 10 in. by 10 in. Low profile sandshoe
Crank Handle Location Curb side handle
Axle Quantity Three Axles
Suspension Type Spring-Ride
Axle Centers 60 3/4inch
Springs Three Leaf
Hub Type Hub piloted for disc wheels
Hub Material Steel
Drum Outboard mounted
Rim/Wheels 8 1/4 X 22.5 hub piloted tubeless
Wheel/Rim Color White
Tires Cheetah Supplied
Tire Size 11R 22.5
Tire Inflation System None
Axle Type TN
Wall Thickness 1/2 inch
Axle Track 71.5
Brake Lining Options Standard
Lubrication Oil 90 wt.
Slack Adjusters Automatic
Brake System Type 251M
Brake Chambers 30/30
Hubodometer None
Electrical System 12 volt, 7-way split pin receptacle plug; modular wiring
Light Attachment Grommet mounted
Light Type LED
Metal Preparation Clean, dry steel and NACE No. 3 /SSPC-SP-6 “Commercial Blast Cleaning”
Primer 70% Zinc Rich Primer
Topcoat Urethane Topcoat
Color Black
Markings FHWA plate, tare weight, 2 small Cheetah logos.
Customer Decals Furnished by Customer
Conspicuity Meets DOT requirements
Registration Holder Plastic with clear screw on top
Mud Flaps Cheetah Supplied
Mud Flap Mounting 4 mounting bolts
Steel & Fastners All structural steel is ASTM-A572, Grade 50, or ASTMA607, Grade 50. All structural fasteners are Grade 5 or better and are zinc coated
GVWR 59,400 lb when in the 20’ position,
75,000 lb when in the 40’ position
Weight Approximately 9,400 lbs.