20-40 Foot Extendable Gooseneck Tandem Chassis

Function

Carries one 20 ft ISO Container(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

(extended) 40 ft 6 inches
(closed) 29ft 7 inches

Overall Chassis Width

96 inches

Tandem Location

85½ 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 springloaded 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

Suspension

Eveley

Axle Quantity

Two Axles

Suspension Type

Spring-Ride

Axle Centers

72 inch

Springs

Three Leaf

Hub Type

Hub piloted for disc wheels

Hub Material

Steel

Hub Manufacturer

Meritor

Drum

Outboard mounted

Rim/Wheels

8 1/4 X 22.5 hub piloted tubeless

Wheel/Rim Color

White

Rim Spacer

none

Tires

Cheetah Supplied

Tire Size

11R 22.5

Tire Inflation System

None

Axle Vendor

Meritor

Axle Type

TN

Wall Thickness

1/2 inch

Axle Track

71.5

Brake Lining Options

Standard

Lubrication

Oil 90 wt.

Slack Adjusters

Bendix 5 1/2 inch

Brake System Vendor

WABCO

Brake System Type

2S1M

Brake Chambers

Haldex

Hubodometer

None

Electrical System

12 volt, 7-way split pin receptacle plug; modular wiring harness

Light Vendor

TruckLite

Light Attachment

Grommet mounted

Light Type

Incandescent

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

Cheetah Supplied

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 ASTM-A607, Grade 50. All structural fasteners are Grade 5 or better and are zinc coated

GVWR

58,500 lb when in the 20′ position
65,000 lb when in the 40′ position

Weight

Approximately 7,965 lbs. + 2%