JD 6615 Engine Technical Data
Engine Model ……………. John Deere 6068T
Engine Type ……………. 4-Stroke, 6-cylinder turbocharged diesel
Number of Cylinders ……………. 6
Displacement, cu in (L) ……………. 414.4 (6.80)
Engine Bore, in (mm) ……………. 4.19 (106.0)
Engine Stroke, in (mm) ……………. 5.00 (127.0)
Aspiration ……………. Turbocharged
Rated Engine Power, hp (kW) ……………. 120.3 (89.7)
Rated Engine Speed, rpm ……………. 2300
Operating Speed Range, rpm ……………. 1000-2300
Maximum Torque, Nm (lb-ft) ……………. 453 (334)
Torque Speed, rpm ……………. 1400
Firing Order ……………. 1-5-3-6-2-4
Fuel System ……………. Injection pump
Valve Clearance (Intake), in (mm) ……………. 0.014 (0.356)
Valve Clearance (Exhaust), in (mm) ……………. 0.018 (0.457)
Fuel Tank Capacity, gal (L) ……………. 45.4 (171.8)
Oil Capacity, qts (L) ……………. 20.1 (19.0)
Coolant Capacity, qts (L) ……………. 26.4 (25.0)
Electrical System Rating, Volts ……………. 12
Charging System ……………. Alternator
Alternator Rating, Amps ……………. 90
John Deere 6615 Power Take-Off
PTO Operational Type ……………. Independent
PTO Horsepower, hp (kW) ……………. 103.0 (76.8)
PTO Clutch ……………. Electro-hydraulic
PTO Speed, rpm ……………. 540/1000
PTO / Engine Speed, rpm ……………. 540/2124
PTO / Engine Speed, rpm ……………. 1000/2208
JD 6615 Transmission
Transmission Type ……………. SyncroPlus
Gearbox Type ……………. 12F/4R, fully synchronized
Number of Forward Gears ……………. 12
Number of Reverse Gears ……………. 4
Clutch Type ……………. Wet disc
Oil Capacity, qts (L) ……………. 65.5 (62.0)
Maximum Forward Speed, mph (kph) ……………. 17.8 (28.7)
Maximum Reverse Speed, mph (kph) ……………. 11.8 (19.0)
Transmission Type ……………. PowrQuad
Gearbox Type ……………. 16F/16R, partial powershift
Number of Forward Gears ……………. 16
Number of Reverse Gears ……………. 16
Clutch Type ……………. Wet disc
Oil Capacity, qts (L) ……………. 65.5 (62.0)
Maximum Forward Speed, mph (kph) ……………. 19.0 (30.6)
Maximum Reverse Speed, mph (kph) ……………. 19.0 (30.6)
John Deere 6615 Wheels and Tires
Drive Wheels ……………. 4WD 4×4
Steering Configuration ……………. Front Steer
Steering System ……………. Hydrostatic power
Brakes Type ……………. Hydraulic wet disc
Front Tire Size ……………. 14.9-26
Rear Tire Size ……………. 23.1-30
Front Tread, in (mm) ……………. 63.6-84.8 (1610-2150)
RearTread, in (mm) ……………. 61.6-91.2 (1560-2310)
JD 6615 Hydraulics and Hitch
Hydraulic System Type ……………. Closed center
Implement Pump Flow (Std), gpm (Lpm) ……………. 17.5 (66.2)
Implement Pump Flow (Opt), gpm (Lpm) ……………. 26.42 (100.0)
Hydraulic Pressure, bar (psi) ……………. 200 (2900)
Number of Standard Remote Valves ……………. 2/3
3-Point Hitch Category ……………. 2
Draft Sensing or Lift Control ……………. Electronic lower link
Standard Lift Capacity 24″ (0.6m) behind pin, lb (kg) …………….
4760 (2160)
Standard Lift Capacity at lift pin, lb (kg) ……………. 5445 (2470)
John Deere 6615 Dimensions and Weight
Wheelbase, in (mm) ……………. 104.3 (2640)
Length, in (mm) ……………. 193.7 (4910)
Height, in (mm) ……………. 107.8 (2730)
Overall Width, in (mm) ……………. 91.3 (2310)
Weight (Maximum), lb (kg) ……………. 15430 (7000)