Light Tactical Trailer Heavy Chassis (LTT-HC)

The Light Tactical Trailer Heavy Chassis is a single axle, two wheel trailer designed to be towed by a HMMWV towing vehicle. The high ground clearance LTT-HC chassis is available as a platform intended to be the basis of mobile tactical systems. As noted on the page devoted to the description of those systems derived from the Light Tactical Trailer as a platform, the combination of LTT-HC and its HMMWV prime mover is very attractive for modular Shop Sets, electronics, shelters, and many other systems that can benefit from the load capacity and mobility specifications.

Tactical systems for the U.S. Marine Corps are supported by the Light Tactical Trailer - Marine Corps Chassis (LTT-MCC) also based on the LTT-HC chassis.

LTT-HC Chassis supporting part of the Airfield Lighting System. Photo:  Sierra Nevada Corp
LTT-HC Chassis supporting part of the Airfield Lighting System. Photo: Sierra Nevada Corp.

Today in WW II: 15 Oct 1940 In the heaviest attacks of the Blitz so far, Birmingham and Bristol suffer while 400 bombers hit London for six hours. Exhausted RAF puts up only 41 fighters, shooting down only one bomber.  More 
15 Oct 1941 After stalling at fortifications protecting Moscow from the west, and fighting off Red Army counterattacks, Wehrmacht resumes offensive against the defensive perimeter of Moscow.
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Light Tactical Trailer Heavy Chassis (LTT-HC) Description

Light Tactical Trailer Heavy Chassis (LTT-HC).  Photo: Silver Eagle Manufacturing Co
Light Tactical Trailer Heavy Chassis (LTT-HC). Photo: Silver Eagle Manufacturing Co.

The Light Tactical Trailer Heavy Chassis has the same tires, wheels, and track width as the High Mobility Multipurpose Wheeled Vehicle (HMMWV).

A hand-brake lever and cable assembly located on each side of the trailer activate a service brake at each wheel. Control of each service brake is independent. In addition to handbrake-activated service brakes, the trailer is equipped with an inertia-actuated hydraulic brake system (surge brakes). The trailer suspension consists of one shock absorber on each end of the axle. Two stabilizers, stored in the front and installed in the rear, provide stability when the trailer is not coupled to a towing vehicle.

The data listed on the Trailer Chassis Identification and Shipping Plates is different from both the M1101 and M1102 trailers. In addition, the trailer chassis has no cargo body. The nomenclature and NSN is Chassis, Trailer: 2-Wheel (NSN 2330-01-387-5424).

Light Tactical Trailer Chassis Characteristics

Maximum Vehicle Weight 4200 lb (1905 kg)
Curb Weight 1175 lb (532 kg)
Maximum Payload Capacity 3025 lb (1372 kg)
Hull Unitized body construction using aircraft grade aluminum and chromoly steel
Overall Length 132 inches (335cm)
Overall Width 85.6 inches (217 cm)
Overall Height 42.4 inches (108 cm)
Track Width 72.5 inches (184 cm)
Drawbar Length 93.2 inches (237 cm) (from axle center to eye center)
Drawbar Eye Height 29.5 inches (75 cm)
Deck Height 34.5 inches (88 cm)
Ground Clearance (Laden) 16 inches (41 cm)
Suspension Type Fully independent progressive rate trailing arm suspension
Axle Tubular steel
Spring Media Progressive rate torselastic rubber chords
Shock Absorbers Telescopic, direct acting, one per wheel, HMMWV compatible
Wheels 16.5 X 8.25, two piece steel, HMMWV compatible, 8 on 6.5 inch bolt pattern
Tires 37X12.50R16.5 Goodyear Wrangler M/T, with 30-mile runflat inserts, HMMWV compatible
Brakes 12 inch x 2 inch free backing hydraulic surge brakes with automatic breakaway actuation. Independent lever-operated left and right side mechanical parking brakes.
Electrical System 24 Volt DC sealed lighting system with blackout convoy lights, 12 pin connector plug mates with HMMWV
Max Speed (Primary Roads) 55 mph (88 kph)
Max Speed (Secondary Roads) 35 mph (56 kph)
Max Speed (Off Road) 20 mph (32 kph)
Departure Angle 39 degrees
Turning Angle 80 degrees
Fording Limited only by end-use configuration

Source for table data: Silver Eagle Manufacturing Co. and TM 9-2330-392-14&P.

Light Tactical Trailer Chassis Documentation

Light Tactical Trailer Heavy Chassis (LTT-HC)
Light Tactical Trailer Heavy Chassis (LTT-HC).

The primary manual for the Light Tactical Trailer Chassis is TM 9-2330-392-14&P OPERATOR'S, UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST) FOR TRAILER, CARGO: LIGHT, 2-WHEEL M1101 (2330-01-387-5443) EIC: CBC TRAILER, CARGO: HEAVY, 2-WHEEL M1102 (2330-01-387-5426) EIC: CBB CHASSIS, TRAILER: 2-WHEEL (2330-01-387-5424) EIC: CCL October 1995 (and other dates.)

Other documents for the Light Tactical Trailer include:

  • MWO 9-2330-392-20-1 17 AUGUST 2001 modification is to provide a procedure for the installation of an upgrade for the original equipment surge brake actuator. It is replaced by an improved cast surge brake actuator with modified components.
  • MWO 9-2330-392-20-2 18 MARCH 2003 modification is to provide a procedure for replacing the rivets used to secure the landing leg mounting bracket. Bolts and nuts will replace the rivets.
  • MWO 9-2330-392-35-1, Steel Draw Bar

The first two MWOs only needed for trailers built under contract number DAAE07-94-CR014, the original 1994 contract.

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