Roland Land Systems Mastiff
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| Roland Land Systems Mastiff | |
|---|---|
 M305 Mastiff of the 2nd Armored Regiment, 2nd Brigade "Speartip" during training exercises circa 1974 | |
| Type | Main battle tank |
| Place of origin |  Shenandoah |
| Service history | |
| In service | 1951 - present |
| Used by | See Users |
| Production history | |
| Designer | Roland Land Systems |
| Designed | 1944 |
| Manufacturer | Roland Land Systems |
| Produced | 1951 - 1969 1988 - 1997 |
| Variants | See variants |
| Specifications | |
| Weight | 23.49 tonnes |
| Length | 5.81 m (19 ft 1 in) |
| Width | 3.19 m (10 ft 6 in) |
| Height | 2.72 m (8 ft 11 in) |
| Passengers | 4 (commander, gunner, loader, driver) |
| Armor | 25.4 mm (1.00 in) turret front 25 mm (0.98 in) turret sides and rear 12.7 mm (0.50 in) turret top 31.7 mm (1.25 in) at 30° hull upper glacis plate 25.4 mm (1.00 in) at 45° hull lower glacis plate 19 mm (0.75 in) hull rear 9.25 mm (0.364 in) hull floor |
Main armament | Karlsbranchen M-1947 76 mm tank cannon (65 rounds) Karlsbranchen M-1981 90 mm tank cannon (45 rounds) VT Cinética ALA-82 105mm L/58 rifled cannon (23 rounds) |
Secondary armament | Blitz & Keckler M-3 coaxial machine gun (5,000 rounds), Blitz & Keckler M-4 roof-mounted machine gun (2,175 rounds) |
| Engine | SMC HVE-895-3 six-cylinder air-cooled gasoline 500 bhp (370 kW) |
| Power/weight | 21.2 hp (15.8 kW) |
| Suspension | Torsion bar |
| Ground clearance | 0.45 m (1.5 ft) |
| Fuel capacity | 530 L (140 US gal) |
Operational range | 161 km (100 mi) |
| Speed | 72.4 km/h (45.0 mph) |
The Roland Land Systems Mastiff, in service with the Shenandoahan Army National Guard as the M305 Main Battle Tank, is a armored vehicle intended for close infantry support role and for rapid airborne deployments. The M305 has been in service since 1951 and has been upgraded and modernized several times. The current service variant of th M350 is the M305A7.