Specifications, Service and Repair of Farm and Lawn Tractors

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John Deere 5103 Specs

John Deere 5103 Engine Specifications

Engine Model - John Deere Powertech
Engine Type - Vertical, valve-in-head, 4-stroke diesel
Engine Power - 50 hp (37.29 kW)
Maximum Engine Speed Torque - 171 Nm at 1400 RPM
Rated Engine Speed - 2,400 rpm
Operating Range - 1,600 to 2,400 rpm
Number of Cylinders - 3
Displacement - 179 cu. in. (2.9 L)
Aspiration - Natural
Bore - 4.19 in. (106 mm)
Stroke - 4.33 in. (110 mm)
Lubrication - Force-feed, pressurized with full flow filter
Cooling System - Pressurized with centrifugal pump
Compression - 17.8:1
Idle RPM - 800-2650
Firing Order - 1-2-3
Number of Main Bearings - 4
Air Cleaner - Dry
Oil Capacity - 9 qts (8.5 L)
Oil Change - 100 h
Coolant Capacity - 10 qts (9.5 L)
Coolant Change - 2000 h
Distributor-Type Injection Pump - Standard
Fuel Filter - Single-element filter
Intake Valve Clearance - 0.014 in. (0.356 mm)
Exhaust Valve Clearance - 0.018 in. (0.457 mm)

JD 5103 Electrical System

Charging System - Alternator
Alternator - 40 amp
Cold Cranking Amps - 622
Neutral Start Switch - Standard
Key Engine Shutoff - Standard
Bypass Start Protection - Standard
PTO Warning Buzzer - Standard

John Deere 5103 Transmission

Transmission Type - Collar Shift
Gears - 9 Forward and 3 Reverse
Transmission Type - SyncShuttle, partially synchronized
Gears - 9 Forward and 3 Reverse
Clutch - Dry disc
Oil Capacity - 40 qts (37.9 L)
Dry Clutch (Syncshuttle) Capacity - 39 L (10 gal)

JD 5103 Power Take-Off

PTO Type - Independent
Rear PTO (Standard) - 540 rpm at 2,400 engine rpm
PTO Clutch (Disk Diameter) - 11.0 in. (280 mm)
PTO Power - 42 hp (31.31 kW)

Mechanical

Drive Wheels - 2WD, MFWD, 4WD
Steering - Hydrostatic Power
Brakes Type - Hydraulically actuated, wet disc running in oil
Brakes Operation - Foot operated, individually or simultaneously
Brakes Adjustment - Self-adjusting
Front Axle Capacity - 5.3 qts (5.0 L)

JD 5103 Hydraulic System

Hydraulic System Type - Open center
Pump Type - Tandem-gear
Steering Pump - 0.73 cu. in. (11.9 cm3)
Implement Pump - 1.22 cu. in. (19.9 cm3)
Max. Pressure (Implement) - 2,828 psi (195 bar)
Max. Pressure (Steering) - 1,958 psi (135 bar)
Steering Pump Flow Rate - 6.8 gal./min. (25.7 L/m)
Implement Pump (Flow @ Couplers) - 11.4 gal./min. (43.1 L/m)
Maximum Total Flow - 18.2 gal./min. (68.8 L/m)
Hydraulic System Capacity - 10 gal (37.9 L)
Hitch Type - Universal Three-Point Hitch Category 2, 1 convertible
Draft Control - Top link sensing
Interchangeable Hitch Balls - Standard
Hitch Lift Capacity At 24-in. (610 mm) Behind Hitch Balls - 3,050 lb. (1383 kg)

Treads and Tires

Front Tires (2WD) - 7.5-16
Front Tires (4WD) - 8.3-24
Rear Tires - 13.6-28
Front Tread - 56.9 to 81.9 in. (144 to 208 cm)
Rear Tread - 55.8 to 71.7 in. (141 to 182 cm)

John Deere 5103 Dimensions

Wheelbase - 77 in. (1950 mm)
Overall Length - 132 in. (3335 mm)
Overall Width - 65 in. (1650 mm)
Overall Height (with exhaust pipe) - 88 in. (2205 mm)
Ground Clearance - 14.5 in. (365 mm)
Turning Radius with brake - 113 in. (2840 mm)
Turning Radius w/o brake - 127 in. (3210 mm)
Drawbar Capacity - 1675 lbs (759 kg)
Front Axle Load - 3300 lbs (1496 kg)
Rear Axle Load - 6636 lbs (3010 kg)
Weight (2WD) - 4634 lbs (2101 kg)
Weight (4WD) - 5031 lbs (2282 kg)

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