| Mittlerer Panzer 1958 (MPz58) | |
|---|---|
 Panzer 1958 | |
| Type | Medium tank |
| Place of origin |  Switzerland |
| Service history | |
| In service | 1958–1964 |
| Used by | Switzerland |
| Wars | none |
| Production history | |
| Designer | Eidgenoessische Konstruktionswerkstaette |
| Designed | 1953 |
| Manufacturer | Eidgenoessische Konstruktionswerkstaette Thun |
| Produced | 1957–1961 |
| No. built | 12 (all versions); |
| Variants | 1st Prototype 2nd Prototype Production Model |
| Specifications | |
| Mass | 35.1 tonnes |
| Length | 6.9 m (270 in), gun in driving mode: 8.49 m (334 in) |
| Width | 3.06 m (120 in) |
| Height | 2.85 m (112 in) |
| Crew | 4 |
| Armour | Steel Front: 60mm–80mm Sides: 30mm Rear: 20mm |
Main armament | 1st Prototype: 1x 90mm "Kanone 1948" domestic rifled gun 2nd Prototype: 1x Ordnance QF 20 pounder rifled gun Production Vehicles: 1x Panzerkanone 60, a licensed Royal Ordnance L7 105mm rifled gun with 44 rounds |
Secondary armament | 6x Nbw 51 80mm smoke grenade launchers with 2 rounds per tube 1st Prototype: 1x MG 51 7.5mm coaxial machine gun 1x MG 29 7.5mm machine gun with 3400 rounds Later Models: 1x Oerlikon 20mm coaxial Panzerkanone 61 autocannon with 240 rounds 1x 7.5mm MG 29 with 3400 rounds |
| Engine | 8 cylinder V90° Mercedes Benz 837, 600 HP Auxiliary 4 cylinder in-line Mercedes Benz OM 636, 38 HP |
| Power/weight | 12.3 kW/T (17.1 HP/T) |
| Transmission | Rear SLM |
| Suspension | Rods with springs and hydraulic dampers |
| Ground clearance | 1100 mm |
| Fuel capacity | 640 Liters |
Operational range | on road 350 km (220 mi), off-road 160 km (99 mi) |
| Maximum speed | on road 55 km/h (34 mph), off-road 30 km/h (19 mph) |
The Mittlerer Panzer 1958 or Panzer 58 was a medium tank of Swiss design. Twelve tanks were produced and later converted to Panzer 61s.