John Deere 3039T/turbocharged diesel/3-cylinder/liquid-cooled/The John Deere 5203 was naturally-aspirated until engine serial number 106478. Engines from that point on were turbocharged.
Displacement
179 ci/2.9 L
Bore/Stroke
4.19x4.33 inches/106 x 110 mm
Power
56 hp/41.8 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
ENGINE OIL
Oil capacity
9 qts/8.5 L
Oil change
100 h
JOHN DEERE 5203 ENGINE
Description
John Deere 2.9L 3-cyl diesel
TRANSMISSIONS OVERVIEW
Description
9-speed/9-speed partially synchronized
TRANSMISSION 1
Transmission
SyncReverser
Gears
9 forward and 3 reverse
Clutch
dry disc
Oil capacity
40 qts/37.9 L
Description
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.
TRANSMISSION 2
Transmission
SyncShuttle
Type
partially synchronized
Gears
9 forward and 3 reverse
Clutch
dry disc
Oil capacity
40 qts/37.9 L
Description
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.
SPEEDS
Description
With 14.9x28 rear tires
MECHANICAL
Chassis
4x2 2WD/4x4 MFWD 4WD
Steering
power
Brakes
differential wet disc
Cab
Foldable two-post ROPS.
Transmissions
9-speed/9-speed partially synchronized
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/0.8 L *Each
HYDRAULICS
Type
open center
Capacity
10 gal/37.9 L
Pressure
2800 psi/193.1 bar
Valves
1 or 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
II/I
Rear lift
3,591 lbs/1628 kg
POWER TAKE-OFF (PTO)
Rear PTO
independent
Rear RPM
540
Engine RPM
540@2400
JOHN DEERE 5203 TIRES
2WD Ag front
7.5-16
4WD Ag front
9.5-24
Ag rear
14.9-28
DIMENSIONS
Wheelbase
80.7 inches/204 cm
2WD Shiping weight
4647 lbs/2107 kg
4WD Shiping weight
5044 lbs/2287 kg
2WD 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
DIMENSIONS & TIRES
Wheelbase
80.7 inches/204 cm
Weight
4647 to 5044 pounds
Front tire
7.5-16
Rear tire
14.9-28
5203 SERIAL NUMBERS
Location
On the tractor frame, front-left, above the front axle.
2003
P5203U000001
2004
P5203U001032
2005
P5203U002623
2006
P5203U00????
2007
P5203U00????
2008
P5203U00673
ELECTRICAL
Ground
negative
Charging system
alternator
Charging amps
40
Battery CCA
623
Battery volts
12
About John Deere Tractor
The John Deere 5203 tractor is part of the 5003 Series. The 5203 is a Utility Tractors type, that is used most often in Agriculture Tractors. The engine of the 5203 tractor produces. This configuration provides better real-world usability.