6 (G744) – M39 series 5-ton 6×6 truck M53 Chassis, Truck, -ton 4 × 4 (G741) – Dodge M37 M54 Truck, Cargo, 5-ton, 6 × 6 (G744) – M39 series 5-ton 6×6 truck M55 Truck, Cargo, XLWB, 5-ton, 6 × 6 (G744) – M39 series 5-ton 6×6 truck M56 Chassis, Truck, -ton 4 × 4 (G741) – Dodge M37 (emergency repair) M56B1 Truck, Chassis, -ton, 4 × 4 (G741) M56C Truck, Chassis, -ton, 4 × 4 (G741) M57 Truck Chassis (G742) – M35 series 2½-ton 6x6 cargo truck M58 truck chassis (G742) – M35 series 2½-ton 6x6 cargo truck M59 Truck, Dump (G742) – M35 series 2½-ton 6x6 cargo truck M60 Truck, Wrecker, Light (G742) – M35 series 2½-ton 6x6 cargo truck M61 Truck, Chassis, 5-ton, 6 × 6 (G744) – M39 series 5-ton 6×6 truck M62 Truck, Wrecker, 5-ton, 6 × 6 (G744) – M39 series 5-ton 6×6 truck M63 Truck, Chassis, 5-ton, 6 × 6 (G744) – M39 series 5-ton 6×6 truck M64 Truck, Cargo Van, 5-ton, 6 × 6 (G744) – M39 series 5-ton 6×6 truck M65 unknown M66 unknown Pre-consecutive trailers M1 Instrument trailer, (G26) for director or generator (3 inch AA) M1 searchlight trailer (G221) M1 chemical /bomb trailer 4-ton (G74) M2 Instrument trailer, (Director only), (3 inch AA) M2A1 Generator trailer, (Generator only), (3 inch AA) M2 chemical /bomb trailer 4-ton (G74) M3 Unknown M4 artillery plotting room trailer (G155) M5 Bomb Trailer, 2-ton, 3-wheel (G74) M6 tractor crane (G117) M7 2-ton generator trailer (G221) M8 armored ammunition, (G157) M9 Trailer, Tank, 45 Ton (Diamond T tank transporter) with integrated dolly (G159) M10 Trailer, Ammunition, 2-wheel (G660) M11 unknown M12 tractor crane M13 2-ton directors, soft top (G221) M14 2-ton directors, hard top (G221) M15 Semi-Trailer, Transporter, 40-Ton, 8-wheel – M25 Tank Transporter (G160) M15A2 Semi trailer, tank transport, 50-ton, 8-wheeled M16 clamshell bucket, for M2 crane (G201) M17 2-ton, quadmount (G221) M18 2-ton, generator, (G221) M19 snow trailer, 1-ton (G195) M20 quadmount (G220) M21 Trailer, Ammunition, 4-ton, 2-wheel (G213) M22 2-ton directors hard top (G221) M23 Trailer, Ammunition, 8-ton, 4-wheel (G216) M24 ammunition – Ben Hur trailer M25 tire repair – Ben Hur trailer M26 semitrailer, 7-ton (G713) M27 unknown M28 unknown M29 bomb trailer, 3/4-ton, 1-axle (G240) M30 Semitrailer, 6-ton Payload, 10-Ton Gross, 2-wheel, Fuel Tank, 2000-gallon (F2B Semitrailer, 2,000 Gal. Fuel Servicing, HeilCo) (G678) M31 unknown Tankdozer kits M1 La Plante