John Deere 6603

The John Deere 6603 is a tractor produced by John Deere. It is equipped with a 414 ci 6.8 L engine. The rated power output is 112 hp 83.5 kW. Transmission: Top Shaft Synchronized (TSS). Operating weight: 8776 to 10252 pounds.

Overview

	2002 - 2008 6003 SeriesUtility tractor
2002 - 2008
6003 Series
Utility tractor

Production
Manufacturer	John Deere
Utility tractor
Built in Saltillo, Mexico
Original price was $34,870 in 2004 with 2WD

John Deere 6603 Engine
John Deere 6.8L 6-cyl diesel
Fuel tank	41.7 gal 157.8 L
Engine details ...

John Deere 6603 Transmission
9-speed partially synchronized
Transmission details ...

John Deere 6603 Power
Engine	112 hp 83.5 kW
PTO (claimed)	95 hp 70.8 kW

Mechanical
Two- or four-wheel drive
Final drives	inboard planetary
Differential lock	mechanical rear
Power steering
Mechanical wet disc brakes
Two-post folding ROPS. ComfortVantage Cab optional.

Hydraulics
Type	open center
Pressure	2750 psi 189.6 bar
Rear valves	2 or 3
Pump flow	15 gpm 56.8 lpm
Total flow	15 gpm 56.8 lpm

Tractor hitch
Rear Type	II
Control	mechanical lower-link draft sensing
Rear lift (at ends)	5,292 lbs 2400 kg
Rear lift (at 24"/610mm)	4828 lbs 2189 kg

Power Take-off (PTO)
Rear PTO	independent
Clutch	dry disc
Rear PTO Type	540/1000
Engine RPM	540@2100
	1000@2100

Dimensions & Tires
2WD Wheelbase	104.1 inches 264 cm
4WD Wheelbase	103.8 inches 263 cm
Weight	8776 to 10252 pounds
Front tire	10.00-16
Rear tire	18.4-38
Full dimensions and tires ...

Electrical
Ground	negative
Charging system	alternator
Charging amps	65
Battery CCA	925
Battery volts	12

References
6003 Series published in 2005, by John Deere
Operator's Manual 6403 and 6603 Tractors (OMRE226033) published in 2009

Engine

Engine Detail — 414 ci / 6.8 L Diesel

Manufacturer	John Deere 6068T
Configuration	turbocharged diesel, 6-cylinder, liquid-cooled
Displacement	414 ci 6.8 L
Bore/Stroke	4.19x5.00 inches 106 x 127 mm
Power	112 hp 83.5 kW
Compression	17:1
Rated RPM	2100
Firing order	1-5-3-6-2-4
Starter volts	12
Starter power	4.2 hp 3.1 kW
Oil capacity	20 qts 18.9 L
Coolant capacity	19.5 qts 18.5 L
Intake valve clearance	0.013 inches 0.330 mm
Exhaust valve clearance	0.017 inches 0.432 mm

Transmission

Transmission — Top Shaft Synchronized (TSS)

Transmission	Top Shaft Synchronized (TSS)
Type	partially synchronized
Gears	9 forward and 3 reverse
Clutch	305mm cerametalic dry disc
Oil capacity	61.2 qts 57.9 L
Three gears (1-3), plus reverse, (R) in three ranges (A-C). Gear shifts are synchronized. Tractor must be stopped to shift range.

Dimensions

John Deere 6603 Tires
Standard tires (ag)	Front: 10.00-16. Rear: 18.4-38
	Front: 14.9-24. Rear: 18.4-38

Dimensions
2WD Wheelbase	104.1 inches 264 cm
4WD Wheelbase	103.8 inches 263 cm
2WD Length	175 inches 444 cm
4WD Length	171.6 inches 435 cm
Width	73 inches (rear fenders) 185 cm
Ground clearance	18 inches 45 cm
Flanged rear axle	65.8 inch length 1671 mm
2WD Front tread	58.7 to 80.4 inches 149 to 204 cm
4WD Front tread	63.6 to 79.4 inches 161 to 201 cm
Rear tread	59.5 to 79.4 inches 151 to 201 cm

John Deere 6603 Weight
2WD ROPS Shipping	8776 lbs 3980 kg
4WD ROPS Shipping	9361 lbs 4246 kg
2WD Cab Shipping	9658 lbs 4380 kg
4WD Cab Shipping	10252 lbs 4650 kg

John Deere 6603 Height
Steering wheel	82.3 inches 209 cm
Hood	70 inches 177 cm
ROPS	110.7 inches 281 cm
Height (Folded ROPS)	83.4 inches 211 cm
Cab	78 inches 198 cm
Exhaust	118 inches 299 cm