RRB ALP CBT 2 Tractor Mechanic Trade Syllabus 2026, Complete Topic Wise Syllabus & Exam Pattern

Candidates appearing for RRB Assistant Loco Pilot (ALP) CBT 2 Part B under Tractor Mechanic Trade should prepare according to the latest ITI Tractor Mechanic syllabus. The examination covers tractor engines, fuel systems, hydraulic systems, transmission systems, steering systems and maintenance practices. Check the complete syllabus and exam pattern below.

RRB ALP CBT 2 Tractor Mechanic Exam Pattern 2026

RRB ALP CBT 2 Tractor Mechanic Trade Syllabus 2026

1. Workshop Safety

• Industrial Safety Guidelines, Hazard Management & Accident Prevention
• Personal Protective Equipment (PPE) Selection, Inspection & Uses
• Fire Safety (Classes of Fires & Correct Extinguishers to Use)
• First Aid Practices & Emergency Medical Response steps
• Workshop General Safety Rules & 5S Housekeeping Concepts

2. Engineering Drawing

• Lines, Lettering, and Standard Engineering Drawing Symbols
• Orthographic Projection (First Angle & Third Angle Layouts)
• Machine Components Technical Drawings & Blueprints
• Dimensioning Systems, Scaling, & Sectional Views
• Limits, Tolerances, and Fits System Symbols

3. Measuring Instruments

• Linear Measurements: Steel Rule, Try Square, Outside/Inside Calipers
• Precision Instruments: Vernier Caliper, Outside/Inside Micrometers
• Dial Test Indicator (DTI) & Cylinder Bore Gauges
• Feeler Gauge, Screw Pitch Gauges, and Tele-gauges
• Least Count Calculations and Zero Error Corrections

4. Tractor Engine System

• Diesel Engine Fundamentals & Four-Stroke Cycle Working Principle
• Engine Components Construction: Cylinder Head, Block, Piston, Crankshaft, Camshaft
• Valve Timing Mechanism & Tappet Clearance Adjustment
• Engine Nomenclature: Bore, Stroke, Displacement, Compression Ratio
• Engine Performance, Power Output, and Diagnostic Troubleshooting

5. Fuel System

• Fuel Feed Pumps & Fuel Injection Pump (FIP) Layout
• Types of Fuel Injectors, Nozzle Pressure Testing & Spray Patterns
• Fuel Filters (Primary and Secondary Stages) & Water Separators
• Air Cleaner Assemblies (Oil Bath and Dry Type)
• Air Bleeding Procedures from Low-Pressure Fuel Circuit

6. Lubrication and Cooling System

• Engine Lubrication Methods (Force Feed and Splash Systems)
• Engine Oil Properties, Viscosity Grades (SAE Ratings), and Oil Filters
• Air Cooling vs Liquid/Water Cooling Systems in Heavy Tractors
• Radiator, Pressure Cap, Water Pump, and Cooling Fan Belts
• Thermostat Valve Operation & Antifreeze Coolant Mixtures

7. Hydraulic System

• Working Principles of Tractor Hydraulics & Oil Grades
• Hydraulic Pumps (Gear Type & Piston Type)
• Hydraulic Control Valves, Actuators, and Cylinders
• Tractor Hydraulic Lift System & Three-Point Hitch Linkages
• Draft and Position Control Mechanism & System Maintenance

8. Transmission System

• Clutch Assemblies (Single Plate, Dual Clutch for PTO Operations)
• Tractor Gearbox Construction (Sliding Mesh, Synchromesh, Collar Mesh)
• Differential Assembly & Differential Lock Mechanism
• Final Drive, Reduction Gears, and Rear Axles Layout
• Transmission Lubrication & Troubleshooting Common Faults

9. PTO (Power Take-Off) System

• Power Take-Off (PTO) Working Principles and Standards
• Types of PTO: Independent PTO, Live PTO, Ground Speed PTO
• PTO Shaft Dimensions, Splines, and Safety Guards
• PTO Driven Applications & Implements Linkages
• PTO System Troubleshooting and Maintenance

10. Steering and Braking System

• Mechanical Steering Gearbox Types & Power Steering Components
• Front Axle Construction, Stub Axles, and Wheel Spindles
• Tractor Braking Systems (Mechanical Brakes, Hydraulic Wet Disc Brakes)
• Independent Rear Wheel Braking for Short Turning

11. Electrical System

• Lead Acid Batteries, Ampere-Hour Ratings, and Hydrometer Tests
• Starter Motor Circuit, Drives, and Solenoid Switch Operation
• Alternator Mechanism, Rectifiers, and Charge Regulators
• Tractor Lighting Circuit, Horns, Switches, and Dashboard Gauges
• Basic Auto-Wiring, Fuses, and Safety Relays

12. Tractor Maintenance & Troubleshooting

• Preventive, Daily, Weekly, and Breakdown Maintenance Schedules
• Tractor Troubleshooting: Hard Starting, Engine Smoke, Poor Hydraulic Lift
• Periodic Inspection, Air Tyre Pressure Selection for Field vs Road Work
• Garage and Workshop Practices, Safe Jacking & Towing Procedures

13. Engineering Materials

• Ferrous Metals (Cast Iron, High-Tensile Carbon Steels, Alloys)
• Non-Ferrous Metals & Bushing/Engine Bearing Alloys
• Heat Treatment Processes (Annealing, Hardening, Case Hardening)
• Mechanical Properties of Materials used in Tractor Manufacturing

Preparation Tips for Tractor Mechanic Trade

• Master Hydraulics & PTO: Pay special attention to Dual Clutch operation, PTO types, and Tractor Three-point hitch Lift mechanisms.
• Focus on Diesel Engines: Study Fuel Injection Pump calibration, air cleaner services, and valve timing thoroughly.
• Learn Independent Brakes: Understand why tractors use independent rear braking systems and how wet disc brakes function.
• Solve Technical PYQs: Regularly practice previous year RRB ALP Tractor Mechanic question papers to get a strong hold of technical MCQs.

RRB ALP CBT 2 Tractor Mechanic Trade FAQ

Q1. How many questions are asked in RRB ALP CBT 2 Tractor Mechanic Trade?
A. A total of 75 objective-type multiple-choice questions (MCQs) are asked in Part B.

Q2. Is Part B qualifying in nature?
A. Yes, Part B (Trade Test) is qualifying in nature. Its marks won't affect the merit selection ranking, but passing it is mandatory.

Q3. What are the minimum qualifying marks for Tractor Mechanic Trade?
A. Candidates across all categories must secure at least 35% marks, which translates to scoring minimum 26.25 marks out of 75.

Q4. Is there negative marking in CBT 2 Tractor Mechanic paper?
A. Yes, a negative marking penalty of 1/3rd mark applies for every incorrect answer.

Q5. What are the most important topics in Tractor Mechanic Trade?
A. Four-Stroke Diesel Engines, Fuel Injection Systems, Tractor Hydraulics (3-point hitch), Dual Clutch & PTO Systems, and Independent Braking Systems.