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The Complete Guide to Classic Datsun Cars and Trucks
1956 Datsun 112 Model
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The Datsun 112 was only in production for a total of six months, from December 1955 through until May 1956. The body was essentially the same as the previous 110 model, but a few significant changes were made. 
 For reasons unknown, Nissan went straight from the Datsun 110 to the 112, completely missing the 111 designation. 
The front mounted indicators, placed either side of the grille opening on the Datsun 110, were removed for the 112 model. These were replaced with a pair of bullet shaped indicators that now sit on top of the front guards, back towards the windscreen. At the back of the car the oval stop lights from the 110 have been replaced with a pair of round stop lights. 
 There is now a DATSUN badge on the side of the car, just under the new bullet indicators. The rear badge remains the same, but there is a redesigned DATSUN badge at the front.  
 The front features a new grille design, which is slightly wider than the 110, with two horizontal rows of eight rectangular slots, with a large horizontal bar in between. 
The dashboard has been completely redesigned. The old 110 model had an instrument binacle located in the centre of the dash, the new 112 has a redesigned instrument panel that is now located directly in front of the driver.  Mechanically the 112 was exactly the same as the 110. It continued to use the 860cc D-10 side valve engine. 
 The Datsun 112 won the Second Mainichi Industrial Design Award in 1956 for its "novel design, maneuverability, and comfortable interior". 
A Japanese sales brochure for the Datsun 112.
 
A rear view of the 112 showing the new round stop lights
1956 Datsun 112     
Specifications      
Length - 3860mm      
Width - 1466mm      
Height - 1540mm      
Wheelbase - 2220mm      
Weight - 890kg      
Top speed - 85kph 

Transmission - Floor change 4 speed
Engine Specifications 
Model - D-10 
Side Valve 4 Cylinder    
Capacity - 860cc     
Bore & Stroke 60x76mm     
Power - 25hp@4000rpm     
Torque- 37ft/lb@2400rpm    
Compression - 6.3:1     
Carburettor - Hitachi Solex VA-26-3 C type 26mm single throat downdraught 

Final drive - 6.43:1
 
Model Variations
 
Datsun W112  
 The Datsun W112 was the station wagon version of the Datsun 110 sedan. It was introduced at the same time as the sedan and features a two piece cargo door, with a framed glass section that opens upwards, and a lower section that folds downwards. 
 Mechanically it is the same as the sedan.
Datsun 122 
 A range of small commercial vehicles based on the Datsun 112 sedan were also produced at the same time. This range of vehicles, called the 122 series, included a pickup truck and a light van. More information about these vehicles can be found in the Datsun 122 section.
 
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