Tractor, Crawler, Diesel, 70 to 90-DBHP, Standard, Caterpillar D7, 74-In. Gage, with La Plant-Choate R-71, Angledozer and Le Tourneau R-7, Power Control Unit. Serial Nos. … Power Train (Axles Transmission, and Propeller Shaft) for Half-Track Vehicles. - USA Voorschrift, Technical Manual, 9-1710A Power Supplies PP-109 FR/GR and PP-112 FR/GR : French Production (Furnished in lieu of TM 11-5036) - USA Voorschrift, Technical Manual, 11-5036 Power Supplies PP-281 FR/GRC, PP-282 FR/GRC and PP-448 FR/GR : French Production (Furnished in lieu of TM 11-5040) - USA Voorschrift, Technical Manual, 11-5040