MIL-T-62735 Trucks And Truck Tractors: Modified Commercial, General Specification ForThis specification covers general requirements for the classes, models and types of modified commercial trucks indicated in the specification title above and in 1.2 below. This specification is intended only as a document to be referenced in detail specification sheets that must, as a minimum, cover detailed truck body requirements and specify the model and class required from table I.

Pages 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9 - 10 - 11 - 12 - 13 - 14 - 15 - 16 - 17 - 18 - 19 - 20 - 21 - 22 - 23 - 24 - 25 - 26 - 27 - 28 - 29 - 30 - 31 - 32 - 33 - 34 - 35 - 36 - 37 - 38 - 39 - 40 - 41 - 42 - 43 - 44 - 45 - 46 - 47 - 48 - 49 - 50 - 51 - 52 - 53 - 54 - 55 - 56 - 57 - 58 - 59 - 60 - 61 - 62 - 63 - 64 - 65 - 66 - 67 - 68

MIL-T-62735

3.5.13.4 Rear fold tailgate. Unless a fold-under type tailgate is specified, the tailgate shall hydraulically fold vertically against the rear of the vehicle for travel. All tailgate operations shall be hydraulically powered or metered, providing for raising, lowering, folding and unfolding without manual assistance. The tailgate platform width shall be not less than 2130 mm

(84 inches) for van and refrigerator van trucks and not less than 2290 mm (90 inches) for stake

trucks. A rear bumper and additional rear end protection need not be furnished.

3.5.13.5 Fold-under tailgate. When specified (see 6.2), the tailgate shall manually fold under the vehicle for travel and manually unfold for use. Hydraulically powered raising and metered lowering shall be provided. The tailgate platform width shall be not less than 2130 mm (84 inches). Rear bumperettes shall extend to the rear beyond the stowed tailgate on each side, beyond the 2130 mm (84-inch) tailgate platform width. Additional rear end protection need not be furnished. (A fold under tailgate is available on vans only with a van roll-up rear door.)

3.5.13.6 Rail lift tailgate (vans and refrigerator van trucks only). When specified

(see 6.2), the tailgate shall be a body mount rail lift type conforming to 3.5.13.1 through 3.5.13.3. There shall be rear end underride protection. (A rail lift tailgate is available only on vans and

only with a van roll-up rear door.)

3.5.14 Towing devices. The front of the vehicle shall have towing devices. Towing devices shall consist of two hooks, loops, eyes or pins or the chassis manufacturer's standard single center mounted eye or pin. When specified, except for maintenance trucks and refrigerator vans, (see 6.2), in addition, the rear of the vehicle shall have towing devices. All towing devices shall have frame rail mountings or shall be reinforced back to each frame rail. (Rear towing devices are not available with 3.5.13, hydraulic tailgate.)

3.5.15 Back-up alarm. Dump trucks and other truck types frequently employed at construction sites and when specified (see 6.2) other vehicle types, shall have an audible, pulsating, signaling device (electric or mechanical) to caution personnel when the vehicle is in reverse gear operation.

3.5.16 Magnetic drain plugs. Drain plugs installed in manual transmissions, drive axles and in the transfer case (on model 4x4, 6x6 and 8x8) shall be of the permanent magnet type.

3.5.17 Spark arrester. Truck tractors and when specified (see 6.2), other vehicle types shall have a spark arrester, except when the engine is turbocharged. The spark arrester shall have an 80 percent arresting efficiency when rated in accordance with SAE J350.