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They were part of a joint venture between International Harvester and Mahindra in India. The "B" stands for British. A version of the B-275 tractor is still made new and sold under the Mahindra name. It's a pretty good tractor but the engine block tends to crack (BD-144 engine) in the diesel. Same engine is used in the TD-5 IH crawler and a few other models. It puts out about 33 PTO horsepower. Parts availability is still good direct from IH/Case. Tractor has a hi-low range, two-stage clutch for live PTO, but no power steering. The early B-275 diesel has a CAV inline injection pump with an air-controlled governor. Later B-275 has a rotary CAV pump with a centrifugal governor. I've posted this before - but here's some tech and historical info I got from Mahindra: This relates to the new Mahindra tractors: The E40-DI has a three cylinder 115 cu in diesel. Everything else is almost identical to a
B-275-414 including manual steering and a 8.3 gpm hydraulic pump, except it has a
single clutch. It is rated 39 engine HP @ 2450 rpm and 31 pto hp. The C4005-DI has the 144 cu in four cylinder diesel that was introduced in the B-275 and
hydrostatic power steering that was first offered in the 424 and the dual clutch to give
live pto. It also has the 8.3 gpm hydraulic pump. It is rated 39.5 engine HP @ 2300 rpm
and 31.5 pto hp. The C4505-DI has the 154 cu in diesel that was introduced in the B-414 and also has
hydrostatic power steering and dual clutch. It has 8.3 gpm hydraulic pump. It is rated 43
engine HP @ 2300 rpm and 34.5 pto hp. All of the gearing on these three models, pto, etc, is of the same design as the 275, 414,
424, 444 line of tractors. The C5005-DI also has the 154 cu in diesel but has partial mesh gears in the transmission
which was introduced in some of the later successor models of the same design by IHC.
It also has dual clutch live pto and a 9.4 gpm hydraulic
pump. It is rated 51 engine HP @ 2600 rpm and 42 pto hp. All of the sheet metal with the exception of the fenders and ROPS is also the same as the
older IHC tractors and a large portion of the parts will fit the older IHC tractors. Mahindra has a number of US dealers and the US office can be contacted at
281-351-9686 in Tomball, Texas. They can tell you where the nearest dealer to you is. History of the older IH-Mahindra tractors:
From army vehicles to farm tractors to major automobile manufacturing, Mahindra’s
relationship with American industry goes back quite a few years. American GIs who
served in India during World War II recognize our parent company, Mahindra &
Mahindra, which in 1945 was selected to assemble the famous Willys Jeep. Following Indian independence in 1947, the founders of Mahindra & Mahindra (M&M)
were determined to chart a course of product expansion and globalization. The
philosophy led to the company’s eventual entrance into the worldwide tractor market.
In 1963, M&M formed a joint venture with International Harvester to manufacture
tractors carrying the Mahindra nameplate for the Indian market. Armed with engineering,
tooling and manufacturing know-how gained from this relationship, M&M developed its
first tractor, the B-275. This successor to International Harvester’s incredibly popular IH
B-414 is still the basis for some current Mahindra models.
1963: Incorporation of International Tractor Company of India (ITCI), as a Joint Venture
between Mahindra & Mahindra Limited (M&M), International Harvester Inc, and Voltas
Limited sharing the responsibility of design, manufacturing & marketing. 1965: Rolled out first batch of 225 Tractors in 35 H.P. Range – Model B275 Regular Another history: The B-275 was an upgraded B-250, built first in Carr Hill in ENgland.
After a few years of production, the tooling was transferred to Mahindra in India. THe
B-275s imported to the US are British built.
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