Course Name : Tractor Systems and Controls

Code(Credit) : CUTM1132(2-1-0)

Course Objectives

To enable the students for acquiring knowledge pertaining to systems like transmission system,steering and brake system,power outlets like P.T.O.& draw-bar,stability testing of tractor and ergonomics with a view of current trades.

Course Outcomes

CO1. Provide employability by Gaining knowledge about various tractor systems, their construction and working (PO1,PO12).
CO2. Enhancing employability & higher study scope in tractor chassis design and traction theory(PO1, PO2,PO6,PO12).
CO3.Increase skills of students by study of ergonomial and safety considerations in Tractor(PO1, PO2,PO6,PO12)
Programme Outcomes (POs)

PO1 (Engineering knowledge): Apply the knowledge of mathematics, science, engineering fundamentals, and to understand and solve the complex agricultural engineering problems.
PO2 (Problem analysis): Identify, formulate, review literature and analyze agriculture engineering problems to design, conduct experiments, analyze data and interpret data.
PO6 (The engineer and society): Apply reasoning informed by the contextual knowledge to assess societal, health, safety, legal and cultural issues and the consequent responsibilities relevant to agricultural engineering practice
PO11 (Project Management and finance): Demonstrate knowledge & understanding of the agricultural engineering principles and management principles and apply these to one’s own work, as a member and leader in a team, to manage projects and in multidisciplinary environments in agricultural engineering
PO12 (Life- long learning): Recognize the need for, and have the preparation and ability to engage in independent and lifelong learning in the broadest context of technological change pertaining to agricultural engineering.

Course Syllabus

Module-I (7 hours)
Discuss about latest development of tractor, Introduction to transmission systems, working principles of Clutch & construction, Analysis & Calculations of number of clutch plates of Clutch. Types and construction details of gear boxes. Working principle of gear change and gear shifting. Working principle of differential system and its construction. Details about final drive.
Practice :( 6 Hours)
• Showing the cut section model of a tractor to acquaint with the operation of various systems of tractor &study of latest developments in tractor
• Introduction to transmission systems and components
• Study of clutch functioning, parts and different types of gear box
Module-II (8hours)
Types and construction details of brake system. Working principle of different brakes. Steering system _ Necessity, Steering Geometry. Analysis of steering-Turning radius and true rolling condition. Working principle and basic components of hydraulic system. Types of hydraulic systems, hitch and control board of tractor hitch. Hydraulic steering. Tractor power outlets-study of P.T.O. and standards.
Practice: (6 Hours)
• Study of brake systems and some design problems
• Steering geometry adjustments and Toe-in and toe out determination
• Study of hydraulic systems in a tractor

Module-III (5hours)
Tractor tyres and Determination of Centre of Gravity of wheeled and track type tractors on level ground. Traction and related definitions, mechanics of a rigid wheel (traction and towed). Analysis of tractor in static conditions. Ergonomics considerations of tractor design. Operational safety features of tractor.
Practice(1 Hour):
• Tractor driving

Suggested Reading:

Tractor and its power units, Author-Liljedahl J B and Others

Farm Tractors, Author- S.C Jain and C.R. Rai.

Elements of Agricultural Engineering, Author- J. Sahay.

A numerical approach in agricultural engineering by Sanjaya Kumar

Session Plan

Session 1(1+2=3 Hours)

Discuss about latest trandes of tractor and different systems.

PDF:1.1 FARM TRACTOR study material

Tractor parts and its functions video

Farm tractors video

PRACTICE(2 Hours)

Study and presentation of the cut section model of a tractor to acquaint with the operation of various systems of tractor &study of latest developments in tractor.

John deere| E Cut model Training video

Tractor latest Innovations video

Tractor Driving