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 harness |
| 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. |
