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Current number of specifications

John Deere 6145R 4WD Tractor

Selected Dimensions

D. Wheelbase117.5 in2984.8 mm


Engine ManufacturerJohn Deere PowerTech PVS
Cylinder linersWet sleeve
Fuel tank capacity71.3 gal269.9 L
Displacement415 cu in6.8 L
AspirationSingle variable geometry turbocharger with air-to-air aftercooling and cooled exhaust gas recirculation
Underhood mufflerYes
Power Take-Off(PTO)
StandardIndependent 1-3/8 in., 540/1000 reversible shaft
Optional1-3/8-in. 540/540E/1000 reversible shaft or 1-3/8-in. 540E/1000/1000E reversible shaft
PTO ActuationElectrohydraulic
Advertised Engine hp (kW) @ Rated speed145 hp108.1 kw
Advertised PTO hp (kW) @ Rated rpm83 @ 2100 kW 111 @ 2100 hp
Standard transmission; forward/reverse20-speed AutoQuAad PLUS ECO transmission; 40 km/h 20-speed AutoQuad PLUS ECO transmission; 25 mph
Optional transmission; forward/reverse16-speed PowrQuad PLUS transmission, 20-speed AutoQuad PLUS ECO transmission (50), John Deere Infinitely Variable Transmission (IVT)(0.050 to 42), or John Deere IVT (0.050 to 50) km/h 16-speed PowrQuad PLUS transmission, 20-speed AutoQuad PLUS ECO transmission (31), John Deere Infinitely Variable Transmission (IVT) (0.030 to 26), or John Deere IVT (0.030 to 31) mph
Clutch, wet/dryWet
CreeperIncluded with IVT
ReverserLeft-hand base
On-the-Go Shifting (Yes/No/Partial)Yes
2WDFront 11.00-20 in.Rear 480/80R46
MFWDFront 380/85R30Rear 480/80R42
Pump rated output 130.1 gal/min113.9 L/min
Maximum operating pressure2900 psi19994.8 kPa
Remote control valves available3-450 Series Mechanical SCVs standard, 3 to 4 electrohydraulic SCVs; 2 or 4 mechanical SCVs are optional
Hitch Draft Control Load Sense TypeElectrohydraulic
Sensing typeElectronic lower link
Joystick SCV controlMechanical or electronic
TypePressure & Flow Compensated (PFC) System with Load Sensing Function
Hitch Category (SAE Designation)3/3N
Final Drive
TypeInboard planetary three pinion
Differential controlsElectrohydraulic
Availability"Front YesFront & Rear Yes"
Engage On-the-Go Rear Differential LockYes
Axle TypeRack and pinion
Brakes, Type and ControlHydraulic wet disk
Limited slip differentialYes
Approx. Shipping Weight13657 lb6194.7 kg
Rear Tread Range1604-2302 mm 63.1-90.6 in.
Wheelbase117.5 in2984.8 mm
Wheelbase108.9 in2766.1 mm
Turning radius without brakes7 ft in2.1 m
Turning radius with brakes23.5 ft in7.2 m
Front Tread Range1485-2438 mm 58.5-96 in.