MIL-PRF-83812 Forklift, Truck, 10,000 And 13,000 Pound Capacity, Adverse TerrainThis document covers a standard commercial, diesel-engine, four wheel drive, adverse terrain forklift truck, which is air-transportable in C-130, C-17 and C-5 aircraft. The truck will be used primarily to load and unload palletized cargo to and from military aircraft. It will also be used to handle loads of various sizes and weights, up to the rated load. The truck will operate on hard paved surfaces, soft soil, mud, snow, and sand, on level and hilly terrain.

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MIL-PRF-83812D

3.3.9.8 Service brakes. Full air, air-over-hydraulic, or hydraulic-over-hydraulic type, foot

controlled, all-wheel, service brakes shall be provided.

3.3.9.9 Parking brake. The parking brake actuation shall be independent from the service brakes.

The control shall be located within reach of the seated operator and in a position to permit easy

and safe movement on and off the vehicle.

3.3.9.10 Steering. The forklift shall have power steering. In the event of a power failure the

forklift shall be equipped with an emergency power steering mechanism (mechanical or

electrical) conforming to SAE J1511. This supplement power steering mechanism shall allow

the vehicle to be controlled while moving.

3.3.9.11 Load handling controls. All load motion controls shall be right hand operation and shall

be of the self-centering type, i.e. controls shall return to the neutral position when released.

3.3.9.12 Cab. The forklift shall be equipped with an enclosed cab that shall incorporate the

overhead protection requirements of ANSI/ITSDF B56.6-2005, and roll over protective structure

(ROPS) requirements of ISO 3471. There shall be a door on each side; or one door and one side,

front, or rear window that meets the emergency exit requirements of SAE J185. There shall be at

least two windows, one on each side, which can be opened for ventilation. The doors and

windows shall be capable of securely locking in both the closed and open positions. A minimum

clearance of 39 inches from seat to underside of cab, when measured in accordance with

ANSI/ITSDF B56.6-2005 shall be provided. The cab shall be equipped with an internal rear

view mirror. When specified (see 6.2), the forklift shall be equipped with any of the following

options. These options shall not interfere with the requirements in ANSI/ITSDF B56.6-2005:

a. Cab air conditioning

b. Rear window sunscreen

c. Front sun visor

d. external rear view mirrors

3.3.9.12.1 Removable cab. If the cab must be removed to meet air transportability requirements,

a cab lifting device shall be provided. Any electrical connection that must be separated for cab

removal shall be the quick-disconnect type. The cab lifting device shall be capable of being

securely stored on the forklift when not in use. It shall be capable of lowering and raising the

cab from the installed position to and from ground level.

3.3.9.12.2 Adjustable cab. If the vehicle is designed to operate with the cab in only one position,

the ROPS/FOPS is only required in that position. If the vehicle is designed to operate with the

cab in each discrete position, the ROPS/FOPS are required in each discrete position.