20 HP Swaraj Tractor

Farm mechanization has immensely contributed towards increased agricultural production through timely farm operations such as tillage, sowing and harvesting etc. Considering the enthusiastic response of the farmers to the ideas of farm mechanization, CSIR-CMERI has developed a Swaraj Tractor, which is most suitable for small and medium land holdings.

Technical Specifications:

Engine 20 hp, Two Cylinder Vertical, 4-Stroke, water cooled diesel engine
Clutch 225 mm single plate dry
Transmission 6 Forward and 2 Reverse speeds with 2 gear shift lever.
PTO Standard PTO with 540 rpm at 1800 rpm engine speed
Steering Automotive, Screw and Nut
Brake Self energizing disc brakes
Linkage 3 point – Category I
Tyre Front : 6.00 x 16    Rear : 10.00 x 28
Lifting capacity 1000 Kg at the end of lower links.

Salient Features:

    • Single lever automatic draft-cum-position control hydraulic system
    • Simple, economical and rugged with low initial manufacturing investment.
    • Good maneuverability and ease of operation.
    • Major machinery, equipment and raw materials required for manufacture are all indigenously available.
    • The standard PTO can also be used for operating threshers, pumps and other suitable attachments.

The know-how was released to Punjab Tractors Ltd., Chandigarh who has been successfully marketing it since 1974. More than 50,000 such tractors valued at over Rs. 2000 corers have been manufactured based on CSIR-CMERI know how. The main architect of this tractor was Mr Chandra Mohan, former Scientist of CSIR-CMERI and former Managing Director of Punjab Tractors Limited. The name Swaraj was given by former Prime Minister Mrs. Indira Gandhi.


Central Mechanical Engineering Research Institute
Durgapur-713209, India