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Years in Production / 2002–2008

John Deere

6603

Explore the specifications, hardware, and original references for the John Deere 6603.

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112hp

Source index power

MFWD Optional

Drive

2002–2008

Production years

John Deere

Manufacturer

6603 / 01

At a glance

Overview

2002 - 2008

6003 Series

Utility tractor

Production

Utility tractor

Built in Saltillo, Mexico

Original price was $34,870 in 2004 with 2WD

Manufacturer
John Deere

Mechanical

Two- or four-wheel drive

Power steering

Mechanical wet disc brakes

Two-post folding ROPS. ComfortVantage Cab optional.

Final Drives
inboard planetary
Differential Lock
mechanical rear

Hydraulics

Type
open center
Pressure
2750 psi189.6 bar
Rear Valves
2 or 3
Pump Flow
15 gpm56.8 lpm
Total Flow
15 gpm56.8 lpm

Hitch

Rear Type
II
Control
mechanical lower-link draft sensing
Rear Lift At Ends
5,292 lbs2400 kg
Rear Lift At24610mm
4828 lbs2189 kg

Pto

Rear Pto
independent
Clutch
dry disc
Rear Type
540/1000
Engine Rpm
540@2100
Engine Rpm
1000@2100

Serial Numbers

FAQ: How to read a serial number table.

2002
1228
2003
1486
2004
1908
2005
2363
2006
3178
2007
3986

Electrical

Ground
negative
Charging System
alternator
Charging Amps
65
Battery Cca
925
Battery Volts
12

6603 / 02

Under the hood

Engine Detail

John Deere 6068T

turbocharged diesel

6-cylinder

liquid-cooled

Displacement
414 ci6.8 L
Bore Stroke
4.19x5.00 inches106 x 127 mm
Power
112 hp83.5 kW
Compression Ratio
17:1
Rated Rpm
2100
Firing Order
1-5-3-6-2-4
Starter Volts
12
Starter Power
4.2 hp3.1 kW
Oil Capacity
20 qts18.9 L
Coolant Capacity
19.5 qts18.5 L
Intake Valve Clearance
0.013 inches0.330 mm
Exhaust Valve Clearance
0.017 inches0.432 mm
Cylinders
6
Cooling
liquid-cooled

Engine Options

John Deere 6.8L 6-cyl diesel

Fuel Tank
41.7 gal157.8 L

6603 / 03

Gears & controls

Transmission

Three gears (1-3), plus reverse, (R) in three ranges (A-C). Gear shifts are synchronized. Tractor must be stopped to shift range.

Transmission
Top Shaft Synchronized (TSS)
Transmission Type
partially synchronized
Gears
9 forward and 3 reverse
Clutch
305mm cerametalic dry disc
Oil Capacity
61.2 qts57.9 L

John Deere6603 Transmission

9-speed partially synchronized

6603 / 04

Size. Stance. Footprint.

Dimensions

Length
175 in444 cm
Width
73 in185 cm
Height
82.3 in209 cm
Height (cab)
78 in198 cm
Height (ROPS)
110.7 in281 cm
Wheelbase
104.1 in264 cm
Ground clearance
18 in45 cm
Front tread
58.7 in149 cm
Rear tread
59.5 in151 cm

Dimensions And Tires

2wd Wheelbase
104.1 inches264 cm
4wd Wheelbase
103.8 inches263 cm
Weight
8776 to 10252 pounds
Front Tire
10.00-16
Rear Tire
18.4-38

Serial Number Location

Serial number plate on the right side of the tractor frame, above the front axle.

Tires And Tracks

Standard Tires Ag
Front: 10.00-16. Rear: 18.4-38
Standard Tires Ag
Front: 14.9-24. Rear: 18.4-38

See it in action

Videos

Watch John Deere 6603 videos from their original YouTube creators.