Panzer 58

Mittlerer Panzer 1958 (MPz58)
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.