John Deere 5103
The John Deere 5103 is a tractor produced by John Deere. It is equipped with a 179 ci 2.9 L engine. The listed engine power is Diesel (listed): 50 hp / 37.3 kW. Transmission: SyncShuttle. Operating weight: 4634 to 5031 pounds.
Engine Power
Diesel (listed): 50 hp / 37.3 kW
Fuel & Capacities
19 gal
71.9 L
Transmission
SyncShuttle
Operating Weight
4634 to 5031 pounds
Overview
 | 2003 - 2008
5003 SeriesUtility tractor
5003 Series
Utility tractor |
|---|
Production | |
|---|---|
Manufacturer | John Deere |
Utility tractor | |
Built in Pune, Maharashtra, India | |
John Deere 5103 Engine | |
|---|---|
John Deere 2.9L 3-cyl diesel | |
Engine details ...  |
John Deere 5103 Power | |
|---|---|
Engine | 50 hp
37.3 kW |
PTO (claimed) | 38 hp
28.3 kW |
PTO (tested) | 46.45 hp
34.6 kW |
Performance test details ...  | |
Mechanical | |
|---|---|
Two- or four-wheel drive | |
Power steering | |
Differential wet disc brakes | |
Foldable two-post ROPS. |
Capacity | |
|---|---|
Fuel | 19 gal
71.9 L |
Hydraulic system | 10 gal
37.9 L |
Front axle | 5.3 qts
5.0 L |
Front hubs | 0.85 qts (each)
0.8 L |
Hydraulics | |
|---|---|
Type | open center |
Capacity | 10 gal
37.9 L |
Pressure | 2800 psi
193.1 bar |
Valves | 1 to 2 |
Pump flow | 9.5 gpm
36.0 lpm |
Total flow | 16.3 gpm
61.7 lpm |
Steering flow | 6.8 gpm
25.7 lpm |
Tractor hitch | |
|---|---|
Rear Type | I/II |
Rear lift | 3591 lbs
1628 kg |
Power Take-off (PTO) | |
|---|---|
Rear PTO | independent |
Rear PTO Type | 540 |
Engine RPM | 540@2400 |
Dimensions & Tires | |
|---|---|
Wheelbase | 80.7 inches
204 cm |
Weight | 4634 to 5031 pounds |
Front tire | 7.5-16 |
Rear tire | 13.6-28 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Charging system | alternator |
Charging amps | 40 |
Battery CCA | 623 |
Battery volts | 12 |
References | |
|---|---|
 | |
Commercial & Consumer Equipment Purchasing Guide published in 2007, by John Deere | |
5000 Series Value Selling Guide published in 2005, by John Deere | |
New 5003 Series Tractors published in 2008, by John Deere | |
Commercial & Consumer Equipment Purchase Guide published in 2005, by John Deere |
Engine
Engine Detail — 179 ci / 2.9 L Diesel
Manufacturer | John Deere 3029T |
Configuration | turbocharged diesel, 3-cylinder, liquid-cooled, The John Deere 5203 was naturally-aspirated until engine serial number 106597. Engines from that point on were turbocharged. |
Displacement | 179 ci
2.9 L |
Bore/Stroke | 4.19x4.33 inches
106 x 110 mm |
Power | 50 hp
37.3 kW |
Air cleaner | dry |
Compression | 17.8:1 |
Rated RPM | 2400 |
Idle RPM | 800-2650 |
Operating RPM | 1400-2400 |
Firing order | 1-2-3 |
Starter volts | 12 |
Coolant capacity | 10 qts
9.5 L |
Coolant change | 2000 h |
Intake valve clearance | 0.014 inches
0.356 mm |
Exhaust valve clearance | 0.018 inches
0.457 mm |
Oil capacity | 9 qts
8.5 L |
Oil change | 100 h |
Transmission
Transmission options | |
|---|---|
9-speed | |
9-speed partially synchronized |
Transmission — SyncReverser
Transmission | SyncReverser |
Gears | 9 forward and 3 reverse |
Clutch | dry disc |
Oil capacity | 40 qts
37.9 L |
Three speeds (1-3) plus reverse (R) in three ranges (A-C). Tractor must be stopped, and clutch used, before shifting speed or range. Standard on 2WD models. | |
With 13.6x28 rear tires. | |
 | |
Transmission — SyncShuttle
Transmission | SyncShuttle |
Type | partially synchronized |
Gears | 9 forward and 3 reverse |
Clutch | dry disc |
Oil capacity | 40 qts
37.9 L |
The SyncShuttle (also identified as Top Shaft Synchronizer or TSS) is available on the 4WD models. Three speeds (1-3) plus reverse (R) in three ranges (A-C). Shifting speeds may be done while in motion, using the clutch. The tractor must be stopped to shift ranges. | |
With 13.6x28 rear tires. | |
 | |
Dimensions
John Deere 5103 Tires | |
|---|---|
2WD Ag front | 7.5-16 |
4WD Ag front | 8.3-24 |
Ag rear | 13.6-28 |
Dimensions | |
|---|---|
Wheelbase | 80.7 inches
204 cm |
Clearance (front axle) | 18 inches
45 cm |
Front tread | 56.9 to 81.9 inches
144 to 208 cm |
Rear tread | 55.8 to 71.7 inches
141 to 182 cm |
John Deere 5103 Weight | |
|---|---|
2WD Shipping | 4634 lbs
2101 kg |
4WD Shipping | 5031 lbs
2282 kg |
2WD Operating | 4715 lbs
2138 kg |
Max Drawbar | 1675 lbs
759 kg |
Max front axle | 3300 lbs
1496 kg |
Max rear axle | 6636 lbs
3010 kg |
Tests
Nebraska Tractor Test 1870 | |
|---|---|
Turbo-diesel 9-speed 2WD
March 9 - 30, 2006
Link: Nebraska Tractor Test 1870 file | |
PTO performance | |
Max power | 46.45 hp
34.6 kW |
Fuel use | 2.8 gal/hour
10.6 l/hour |
Power at rated engine speed | 43.70 hp
32.6 kW |
Fuel use | 2.9 gal/hour
11.0 l/hour |
Recommended Implements & Sizing Guide
Engineering recommendations for John Deere 5103 based on its 50 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 2 to 3 Bottom (14-16")2 - 3 铧 (35-40 cm) | Medium Duty | Standard utility farm tillage. |
Rotary Cutter / MowerMowing & Clearing | 6 ft (72 in)1.8 m | Medium Duty | Medium pasture clearing; rear slip-clutch recommended. |
Rotary TillerSeedbed Prep | 66 to 72 in165 - 180 cm | Medium Duty | Standard utility tiller; slip clutch protection required. |
Disc HarrowSecondary Tillage | 7 to 8 ft Tandem Disc2.1 - 2.4 m 对开双排耙 | Medium Duty | Field leveling and clod breaking behind plows. |
Hay BalerHay & Forage | Small Square Baler (14x18")小方捆打捆机 (36x46 cm) | Medium Duty | Classic 2-string baler for horse and small livestock hay. |
Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for John Deere 5103.
Estimated Continuous Field Runtime: 7.3 hrs
Approximately 7.3 hours of continuous field operation at ~75% rated power on a full tank (19 gal / 71.9 L).
Estimated 75% Load Fuel Burn~2.6 gal/hr (9.8 L/hr)
Engine Crankcase Oil
SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours
Transmission & Hydraulic System
UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours
Engine Cooling System
50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours
John Deere 5103 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for John Deere 5103.
Converted Equivalents:
Horsepower (HP)50 hp
Kilowatts (kW)37.3 kW
Metric Horsepower (PS / CV)50.7 PS
Direct Competitor Comparison
Compare John Deere 5103 against same-era industry alternatives in the same horsepower class.
Current Model
John Deere
John Deere 5103
Engine Power:Diesel (listed): 50 hp / 37.3 kW
★ Baseline Reference
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