John Deere

6603

Farm tractor · 2002–2008 · 112 hp

John Deere6603
EngineTransmissionHydraulicsPTOHitchDimensionsTires & TracksFuelSteeringCabCompatible ImplementsNebraska TestsMore John Deere

The John Deere 6603 is a farm tractor manufactured from 2002 to 2008. It features a John Deere 6068T engine, and two-post folding steering. The transmission is a partially synchronized type with 9 forward and 3 reverse.

Engine

EngineJohn Deere 6068T
Fuel Typediesel
Cylinders6
Coolingliquid-cooled
Turbocharger Statusturbocharged
Displacement414 ci (6.8 L)
Bore4.19 in (106 mm)
Stroke5 in (127 mm)
Compression Ratio17
Power Gross112 hp (83.5 kW)
Power Rated112 hp (83.5 kW)
Power PTO97.02 hp (72.35 kW)
Starter Volts12
Oil Capacity20 qts (18.9 L)
Coolant Capacity19.5 qts (18.5 L)
ManufacturerJohn Deere
Rated2,100 RPM
Firing Order1-5-3-6-2-4

Transmission

Transmission Typepartially synchronized
Transmission ModelTop Shaft Synchronized (TSS)
Gears9 forward and 3 reverse
Clutch305mm cerametalic dry disc
Oil Capacity61.2 qts (57.9 L)
Available Options9-speed partially synchronized

Hydraulics

Typeopen center
Pump Flow15 gpm (56.8 lpm)
Pressure2,750 psi (189.6 bar)
Total Flow15 gpm (56.8 lpm)

PTO

Rear Type540/1000
Clutchdry disc

Hitch

Rear TypeII
Rear Lift5,292 lbs (2,400 kg)
Hitch Controlmechanical lower-link draft sensing

Dimensions

Length175 in (444 cm)
Width73 in (185 cm)
Height82.3 in (209 cm)
Height Cab78 in (198 cm)
Height Rops110.7 in (281 cm)
Wheelbase104.1 in (264 cm)
Ground Clearance18 in (45 cm)
Front Tread58.7 in (149 cm)
Rear Tread59.5 in (151 cm)

Tires & Tracks

Front Ag10.00-16, 14.9-24
Rear Ag18.4-38

Fuel

Capacity41.7 gal (157.8 L)

Steering

Typetwo-post folding

Cab

CabComfortVantage Cab optional

Compatible Implements

Rotary Cutters

ModelTypeWidthMin HP
Land Pride RCF2084Rotary Cutters84"45 hp
Bush Hog BH310 variant 2Rotary Cutters72"45 hp
Land Pride RCR1884Rotary Cutters84"45 hp
Land Pride RCR2596 - 3 PTRotary Cutters96"50 hp
Land Pride RCF3096 - 3PTRotary Cutters96"50 hp
Bush Hog BH210-3 variant 3Rotary Cutters84"50 hp
Land Pride RCF3696 - 3PTRotary Cutters96"50 hp
BEFCO RHD-472Rotary Cutters72"50 hp
Land Pride RCFM3696 - 3PTRotary Cutters96"50 hp
Bush Hog BH310 variant 3Rotary Cutters84"55 hp
Land Pride RCF2784 - 3PTRotary Cutters84"60 hp
Bush Hog BH410 variant 1Rotary Cutters72"60 hp
Land Pride RCF3610 - 3PTRotary Cutters120"60 hp
Land Pride RCFM3610 - 3PTRotary Cutters120"60 hp
Land Pride RCR2510 - 3 PTRotary Cutters120"60 hp
Land Pride RCF3672Rotary Cutters72"60 hp
Land Pride RCFM3010 - 3PTRotary Cutters120"60 hp
BEFCO RHD-484Rotary Cutters84"60 hp
Land Pride RCF3010 - 3PTRotary Cutters120"60 hp
Land Pride RCF3684 - 3PTRotary Cutters84"70 hp
Bush Hog BH410 variant 2Rotary Cutters84"70 hp
Land Pride RCP2760Rotary Cutters60"75 hp
Land Pride DB2660Rotary Cutters60"75 hp
Land Pride RCPM2760Rotary Cutters60"75 hp
Land Pride DBM2660Rotary Cutters60"75 hp
Land Pride RCPM3760Rotary Cutters60"95 hp
Land Pride RCP3760Rotary Cutters60"95 hp

Box Blades

ModelTypeWidthMin HP
Land Pride BB3584Box Blades84"45 hp
Land Pride BB3596Box Blades96"45 hp
Land Pride BB3578Box Blades78"45 hp

Checked: 3-point hitch category, PTO horsepower. Not checked: PTO speed (540/1000), hydraulic flow, 3-point lift capacity, rear remotes, ballast.

These implements meet this tractor's hitch and PTO-HP requirements — this is not a full compatibility guarantee. Confirm the remaining specs with your dealer before purchasing.

Nebraska Tests

NTTLTest #1809
September 6-23, 2002

Nebraska Tractor Test

PTO Power
97.02HP
Drawbar
85.29HP
Sound
84.6dB(A)
Hydraulics
22.8HP