M25 Tank Transporter
|M25 Tank Transporter|
|Place of origin||United States|
|Wars||World War II|
|Designer||Knuckey Truck Company|
|Manufacturer||Pacific Car & Foundry Co.|
|Variants||M26, M26A1, M26A2|
|Weight||M26 48,895 lb (22,178 kg)
M15 42,370 lb (19,220 kg)
|Length||M26 306 in (777 cm)
M15 461 in (1,171 cm)
|Width||M26 130 1⁄2 in (331 cm)
M15 150 in (381 cm)
|Height||M26 123 in (312 cm)|
|Armor||front 3/4 inch
sides, rear 1/4 inch
|.50 cal M2 machine gun|
|Engine||Hall-Scott 440 gasoline
1,090 cu in (17.9 L) I6
240 hp (180 kW)
|Speed||26 mph (42 km/h)|
Nicknamed the Dragon Wagon, the M25 was composed of a 6x6 armored tractor (M26) and 40-ton trailer (M15).
In 1942 a new 40 ton semi-trailer tank transporter was required. This was to offer better off-road performance than the M9 24-small-wheel trailer, and greater capacity than the 30 ton 8-large-wheel Shelvoke and Drewry semi-trailers, then in use with the Diamond T tractor unit. This new trailer was designed by the Fruehauf Trailer Company (based in Detroit, MI). A new tractor unit was required, as this heavier trailer was more than the Diamond T could cope with.
The M26 tractor was designed by the San Francisco-based Knuckey Truck Company. When Knuckey's production capacity proved insufficient the Army awarded production to the Pacific Car & Foundry Co. of Seattle, Washington.
Designated TR-1 by Pacific Car, the 12-ton 6x6 M26 tractor was powered by a Hall-Scott 440 1,090 cu in (17.9 L) 6-cylinder gasoline engine developing 240 hp (180 kW) at 2000 rpm and 810 lbf·ft (1,098 N·m) at 1200 rpm. This engine was developed exclusively for the M26, although it was also used to uprate the Diamond T. Some 2,100 Type 440s were built. Baxter notes "over 1,300" M26 and M26A1 being built.
Unusually, the tractor unit was fitted with both an armored cab and two winches with a combined pull of 60 tons. The intention was that as well as hauling the tank transporter semi-trailer, the tractor unit could itself be used for battlefield light recovery work.
The M26 entered service with the US Army in Europe in 1944-45, and was replaced by the 10 ton 6x6 M123 semi-tractor from 1955.
- Armament 1-.50 cal. machine gun
- Armor, front-3/4", sides, rear, 1/4".
- top speed-26 MPH
- fuel cap, 120 GAL.
- Diamond T tank transporter
- Scammell Pioneer Semi-trailer
- G160, "G" designation
- List of U.S. military vehicles by model number#Pre consecutive truck numbers
- Pacific trucks
- War Department Technical Manuals (Reprints by Portrayal Press, P.O. Box 1190, Andover, NJ 07821)
- TM 9-767 (40 Ton Tank Transporter/Truck-Trailer M25)
- TM 9-1767B (Power Train for Tractor Truck M26, Component of 40-Ton Tank Transporter Trailer, Truck M25)
- TM 9-1767C (Body/Chassis/Winches for Tractor Truck M26, Component of 40-Ton Tank Transporter Trailer Truck M25)
- SNL G160
- TM 9-2800 Military vehicles 1947
- Crismon, Fred W (2001). US Military Wheeled Vehicles (3 ed.). Victory WWII Pub. pp. 383–384. ISBN 0-970056-71-0.
- Doyle, David (2003). Standard catalog of U.S. Military Vehicles. Kraus Publications. pp. 232–240, 283–288. ISBN 0-87349-508-X.
- Military Vehicle Journal #8 (Photos of the M26 and M26A1)
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