Mazda B series First generation 

Make	Mazda
country of manufacture	Japan ( Hiroshima City )
production	1961 to 1965
body type	2-door pickup truck 2-door double cab pickup truck 2-door double cab coupe utility (English version) 2- door van
Drive system	rear wheel drive
engine	1.5L UA OHV inline 4 cylinder
Wheelbase	2,495 mm (BUA61) 2,590 mm (BUB61)
full length	4,150 mm (BUA61) 4,245 mm (BUB61)

The B series is a pickup truck that was once manufactured and sold by Mazda the first generation from 1961 to 1965. 

History

It was released in Japan as B1500 (BUA61) in August 1961. September 1962 Van goes on sale. After that, two types of double cab cars appeared.

The B1500 was sleeker and considerably more powerful than its Japanese competitors, but it was noticeably more expensive and sold poorly. This was the first model of the long-running "Proceed" series sold in Japan. This model was the only Japanese market model to be badged under the B-series name. Known overseas as the B-Series, it boasted a long track record. Since the main market was overseas, most of the produced cars are exported, and there are very few registrations in Japan.

 Available in various bodies with a one-ton payload. The Engine a 1,484 cc OHV water-cooled engine with cast iron head and block with wet sleeve cylinders and Carter H 30 GX downdraft carburettor which produced 44 kW (59 hp; 60 PS), 

PERFORMANCE:

• Engine capacity: 90.76 cu in, 1484 cu cm
• Fuel consumption: 28.2 m imp gal, 23.5 m US gal
• Max speed: 68.3 mph, 110 km/h
• Max power (SAE): 60 hp at 4600 rpm
• Max torque (SAE): 76 1b ft, 10.5 kgm at 3000 rpm
• Specific power: 40.4 hp/l
• Power-weight ratio: 43.9 Ib/hp, 19.9 kg/hp
• Useful load: 1102 1b, 500 kg

This model also had front suspension with independent, wishbones, torsion bars, telescopic dampers, the rear suspension was  rigid axle, semi-elliptic leafsprings, telescopic dampers, the distribution of weight 49 % to front axle, and 51 % at rear axle.The B1500 was later remodelled between late 1962 and September 1963; it received a new chassis code, BUB61.

There was a double-cab truck in addition to the typical two-door pickup truck body, as well as a pickup-style double-cab. The "pickup" was built on the rather passenger-oriented light van and had a completely integrated coupé utility body as opposed to the separate bed of the truck variant. The BUB61 had a larger cabin that was 80 mm (3.1 in) longer with a lengthened body and wheelbase. In place of the previous full-width grille, the BUB61's received a redesigned upside-down trapezoidal grille with thirteen bars rather than nine, turn signals on the fenders, and extra chrome trim, including a decor strip on the side. This model was a two-door, fully glazed van with a fold-down tailgate and an electrically powered window, which was rare in the Japanese market at the time.

The light van (BUAVD) was introduced in September 1962, and the two double-cab models followed shortly after. These three models were built on the shorter wheelbase chassis; when the longer chassis was introduced it was not deemed worthwhile to create new bodywork.

These models were produced for only a few months. The B1500 was sleeker and considerably more powerful than its competitors in the Japanese market, but it was also markedly more expensive and it failed to sell in the expected quantities.