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Alfa Romeo AR 51

Alfa Romeo "Matta"
Alfa Romeo 1900M
Manufacturer Alfa Romeo
Parent company
Aka Alfa Romeo Matta
Production 1952–1954
Assembly
Predecessor
Successor
Class
Body style
Layout F4 layout
Platform
Engine 1.9 L I4
Transmission 4-speed manual with low ratio transfer box
Wheelbase 2200mm
Length 3520mm
Width 1575mm
Height 1820mm
Ground clearance
Front track
Rear track
Weight 1250 kg (2755 lb)
Top speed 105 km/h
Fuel capacity
Related Alfa Romeo 1900
Similar
Designer


Alfa Romeo Matta or officially Alfa Romeo 1900M was 4x4 off-road vehicle. There was two different versions made AR51 and AR52 (Autovettura da Ricognizione) . AR51 was made for Italian army and AR52 was civilian version of same car. The Matta has 1884 cc 65PS twin cam engine with dry sumped lubrication. The Matta was built on separate chassis as most off road vehicles.

The Matta was built from 1952 to 1954, 2007 pieces AR51 and 154 AR52 version. Starting from 1954 the Italian army changed to the technically simpler Fiat Campagnola.

Alfa Romeo Matta AR 51


MHV Alfa-Romeo Matta 01.jpg
Ar 51 matta big.jpg


Technical data 1900 M AR 51 - AR 52
Engine:  4-cylinder-inline engine (four-stroke), front-mounted
Displacement:  1884cc
Bore x Stroke:  82.5mm x 88mm
Max. Power @ rpm:  65PS @ 4400
Max. Torque @ rpm:  12.5kgm @ 2500
Compression Ratio:  7:1
Fuel system:  1 Solex carburetor 33 PBIC, mechanical fuel pump
Valvetrain:  DOHC, double chain
Cooling:  Water
Gearbox:  4 forward, 1 reverse + dual range
Front suspension:  Independent front suspension with double unequal length wishbones
Rear suspension::  Live rear axle
Brakes:  Hydraulic drum brakes, mechanical handbrake on driveshaft
Body:  Steel body with separate ladder chassis
Track front/rear:  1300mm / 1300mm
Wheelbase:  2200mm
Length x Width x Height:  3520mm x 1575mm x 1820mm
Ground clearance:  20.5cm
Max water deep:  70cm
Max slope:  120% (50 °)
Weight:  1250kg
Top speed:  105km/h



External links


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33 Stradale
Off-road Matta
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158/159 Tipo 33 177
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