6403 by Deere

2002 - 2008

2002 - 2008 6003 SeriesUtility tractor

Series:

Series:6403 → 66036100D ↓

2002 - 2008

2002 - 2008
6003 Series
Utility tractor

Series:

Series:6403 ← 6603
6115D ↓

Production

Production
Manufacturer:John Deere
Type:Utility tractor
Factory:Saltillo, Mexico
Original price:$34,870 (2004 2WD )

John Deere 6603 Power

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

John Deere 6603 Engine

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

Mechanical

Mechanical
Chassis:4x2 2WD
 4x4 MFWD 4WD
Final drives:inboard planetary
Differential lock:mechanical rear
Steering:power
Brakes:mechanical wet disc
Cab:Two-post folding ROPS. ComfortVantage Cab optional.
Transmission:9-speed partially synchronized
Transmission details ...

Hydraulics

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

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)

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

Dimensions & Tires

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 ...

6603 Serial Numbers

6603 Serial Numbers
Location:Serial number plate on the right side of the tractor frame, above the front axle.
photo of 6603 serial number
2002:1228
2003:1486
2004:1908
2005:2363
2006:3178
2007:3986

how to read serial numbers...

Electrical

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

Production

Production Manufacturer:John Deere
Type:Utility tractor
Factory:Saltillo, Mexico
Original price:$30,942 (2004 2WD )

John Deere 6403 Power

John Deere 6403 Power Engine:102 hp
76.1 kW
PTO (claimed):85 hp
63.4 kW
Drawbar (tested):72.87 hp
54.3 kW
PTO (tested):89.43 hp
66.7 kW
power test details ...

2002 - 2008

2002 - 2008
6003 Series
Utility tractor

Series:

Series:6403 → 6603
6100D ↓

OCED Tractor Test 1808

OCED Tractor Test 1808
Diesel 9-speed 4WD
September 10 - 23, 2002
Link: OCED Tractor Test 1808 file
PTO performance
Max power:89.43 hp
66.7 kW
Fuel use:5.1 gal/hour
19.3 l/hour
Power at rated engine speed:86.77 hp
64.7 kW
Fuel use:5.1 gal/hour
19.3 l/hour
Power at rated PTO speed:88.09 hp
65.7 kW
Fuel use:5.2 gal/hour
19.7 l/hour
Drawbar performance
Max power:72.87 hp
54.3 kW

John Deere 6403 Engine

John Deere 6403 Engine John Deere 4.5L 4-cyl diesel Fuel tank:41.7 gal
157.8 L
Engine details ...

2002 - 2008

2002 - 2008
6003 Series
Utility tractor

Series:

Series:6403 → 6603
6100D ↓

Engine Detail

Engine Detail
John Deere
turbocharged diesel
4-cylinder
liquid-cooled
Displacement:276 ci
4.5 L
Bore/Stroke:4.19x5.00 inches
106 x 127 mm
Power:102 hp
76.1 kW
Compression:17:1
Rated RPM:2100
Firing order:1-3-4-2
Starter volts:12
Oil capacity:13 qts
12.3 L
Coolant capacity:14.3 qts
13.5 L

Mechanical

Mechanical Chassis:4x2 2WD
 4x4 MFWD 4WD
Final drives:inboard planetary
Differential lock:mechanical rear
Steering:power
Brakes:mechanical wet disc
Cab:Two-post folding ROPS. ComfortVantage Cab optional.
Transmission:9-speed partially synchronized
Transmission details ...

2002 - 2008

2002 - 2008
6003 Series
Utility tractor

Series:

Series:6403 → 6603
6100D ↓

Transmission

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

Speeds

Speeds

Hydraulics

Hydraulics Type:open center
Pressure:2750 psi
189.6 bar
Rear valves:2 or 3
Pump flow:12.1 gpm
45.8 lpm
Total flow:15 gpm
56.8 lpm

Tractor hitch

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

Power Take-off (PTO)

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

Dimensions & Tires

Dimensions & Tires 2WD Wheelbase:91.3 inches
231 cm
4WD Wheelbase:90.9 inches
230 cm
Weight:7695 to 8987 pounds
Front tire:10.00-16
Rear tire:18.4-34
Full dimensions and tires ...

2002 - 2008

2002 - 2008
6003 Series
Utility tractor

Series:

Series:6403 → 6603
6100D ↓

John Deere 6403 Tires

John Deere 6403 Tires
Standard tires (ag):Front: 10.00-16. Rear: 18.4-34
 Front: 13.6-24. Rear: 18.4-34

Dimensions

Dimensions
2WD Wheelbase:91.3 inches
231 cm
4WD Wheelbase:90.9 inches
230 cm
2WD Length:162.4 inches
412 cm
4WD Length:163.1 inches
414 cm
Width:73 inches
185 cm (rear fenders)
Rear axle:Flanged: 65.8 inch length
1671 mm
2WD Front tread:58.7 to 80.4 inches
149 to 204 cm
4WD Front tread:59.7 to 79.4 inches
151 to 201 cm
Rear tread:59.5 to 79.4 inches
151 to 201 cm

John Deere 6403 Weight

John Deere 6403 Weight
2WD ROPS Shipping:7695 lbs
3490 kg
4WD ROPS Shipping:8130 lbs
3687 kg
2WD Cab Shipping:8580 lbs
3891 kg
4WD Cab Shipping:8987 lbs
4076 kg
4WD ROPS Operating:8750 lbs
3969 kg
Ballasted:11515 lbs
5223 kg

John Deere 6403 Height

John Deere 6403 Height
Steering wheel:80.3 inches
203 cm
2WD Hood:68.3 inches
173 cm
4WD Hood:67.9 inches
172 cm
ROPS:108.7 inches
276 cm
Exhaust:113.5 inches
288 cm

6403 Serial Numbers

6403 Serial Numbers Location:Serial number plate on the right side of the tractor frame, above the front axle.
photo of 6403 serial number
2002:1339
2003:1557
2004:2129
2005:2621
2006:3762
2007:5342

how to read serial numbers...

Electrical

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

6403 relate tractors