Tractor, warehouse, gasoline, pneumatic tires, 4,000-pound drawbar pull.

TM 38-400/NAVSUP PUB 572/AFMAN 23-210 MCO 4450.14/DLAM 4145.12

tons; and a tractor with a drawbar pull of 7,500 pounds,

the high-flotation model with oversize pneumatic tires on

may have a towing capacity of 200 tons. Its value to

the drive wheels. This tractor may be used in storage

storage and warehousing, however, lies in the fact that

areas with rough or muddy terrain. It has a greater

the tractor-trailer train, when used in conjunction with

underclearance than the low-profile type, but lacks its

forklift trucks, provides for the completely mechanized

spread and maneuverability. It is possible, however, to

loading, transporting, stacking, and warehousing of

use both types for towing heavy equipment or larger

supplies. The following types and sizes of warehouse

special-purpose vehicles such as refrigerator trailers.

tractors have been adopted as standard for the military

This may be accomplished by the use of a fifth-wheel

services. These tractors are, in most cases, the low-

attachment or truck carriers (fig 4-30).

profile industrial type. The 7,500-pound drawbar pull

tractor may, however, be the agricultural type with high-

flotation pneumatic tires for operation in rough or

unpaved storage areas.

(1) Tractor, warehouse, gasoline, pneumatic

tires, 4,000-pound drawbar pull. Standard medium-duty

tractor for outdoor storage operations. It may be used in

plant yards, for hauling trailers or towing airplanes from

hangars to airfields. It may also be used for general

purpose towing or pulling at freight sheds, piers,

warehouses, or other areas. It has sufficient weight,

horsepower, and traction to operate on virtually all types

of running surfaces (fig 4-29).

Figure 4-30. Tractor, warehouse, gasoline,

pneumatic tires, 7,500-pound drawbar pull.

(3) Warehouse Trailers. A warehouse trailer

is a load-carrying platform mounted on casters or

wheels. Standard trailers are available in a wide variety

of sizes and capacities and may be equipped with solid-

rubber or pneumatic tires. The caster-steering type has

fixed rear wheels that carry about two-thirds of the load

and caster wheels at the front through which steering is

accomplished.

The caster steering-type trailer is

produced in 4,000and 6,000-pound capacities, similar to

that illustrated by figure 4-31. The fifth wheel steering

type has rear wheels mounted on a rigid axle and front

wheels mounted on a centerpivoted steering axle with

drawbar attachment. This type of trailer is available in

Figure 4-29. Tractor, warehouse, gasoline,

capacities of 6,000 to 20,000 pounds (fig 4-32). The

pneumatic tires, 4,000-pound drawbar pull.

selection of the size required for a specific operation

(2) Tractor, warehouse, gasoline, pneumatic

may be based on load capacity, and the nature of the

tires, 7,500-pound drawbar pull. Standard heavy-duty,

surface over which the load is to be towed. The fifth

gasoline-powered tractor for outdoor storage operations.

wheel steering-type trailer is more suitable for heavy

This capacity tractor is available in two styles. The first

loads or for operation over rough surfaces. The caster

is the low-profile, industrial type with conventional

steering-type trailer is better suited to indoor operations.

pneumatic tires on both drive and steering wheels. The

second type is

4-19