7920 Tractor (170 hp)
7920 Tractor (170 hp)
  • Key new features....more
  • Engines meet all Tier II EPA emissions standards....more
  • John Deere Infinitely Variable Transmission (IVT™)....more
  • Available ComfortCommand™ seat....more
  • CommandCenter provides operator with instant tractor information....more
  • Implement management system (IMS) allows tractor to execute learned sequences of tractor functions....more
  • Improved hydraulic system with 16 percent more hydraulic capacity....more
  • 7020 Series tractors are GreenStar™ Ready to take advantage of John Deere precision farming....more
  • Two wheel drive (non-powered) and mechanical front wheel drive (MFWD) options....more
  • Triple-link suspension II (TLS II) provides unparalleled axle performance....more
  • PTO options and improved changeover to meet customer needs....more
  • Available factory installed loader....more
  • More tire and wheel options....more

MANUFACTURER John Deere
MODEL 7920 Tractor (170 hp)
Official Test Nebr. OECD 1835, Summary #427
Engine
     Manufacturer John Deere
     Aspiration Turbo & Air to Air Intercooled
     Cylinders/Displacement, cu. in. (liters) 6/496 (8.1)
     Cylinder Liners Wet
          Standard 103 (390)
          Optional 94.7 (358) with opt. right-hand door
Performance
     Advertised PTO HP (kW) @ Rated RPM 170 (126) @ 2100
     Official PTO HP (kW) @ Rated RPM --
          @ Standard PTO @ Eng RPM 171.26 (127.71) @ 2100
          Maximum @ Eng RPM 192.77 (143.75) @ 1750
     Advertised Engine HP (kW) @ Rated Speed --
     Max Unballast Drwbr HP (kW) @ Eng RPM 165.89 (123.70) @ 1750
     Maximum Torque (PTO) @ RPM, lb-ft (Nm) 654 (886) @ 1148
     Max Torque Rise (80% Rtd Spd) @ Eng RPM 38.0% @ 1703
     Maximum Torque Rise % (PTO) @ Eng RPM 52.4% @ 1148
Fuel Use, U.S.Gal/hr & HP hr/gal at:
     PTO @ Rated Eng RPM 10.43 (39.50) & 16.41 (3.23) @ 2100
     Standard PTO Speed @ Eng Speed 10.43 (39.50) & 16.41 (3.23) @ 2100
     Maximum PTO Power @ Eng RPM 10.57 (40.03) & 18.23 (3.59) @ 1750
     Maximum Engine Power @ Eng RPM 09.95 (37.66) & 14.68 (2.89) @ 2098
     Max Unballasted Drawbar Power@Eng RPM 09.90 (37.48) & 14.82 (2.92) @ 2098
     75% Load, Full Engine RPM (Unballasted) 09.00 (34.07) & 13.02 (2.57) @ 2217
     75% Load @ Reduced RPM (Unballasted) 07.22 (27.33) & 16.15 (3.18) @ 1690
Transmission
     Std Transmission; Forward/Reverse IVT
     Opt Transmission; Forward/Reverse N/A
     Left-Hand Reverser Standard
     On-the-Go Shifting (Yes/No/Partial) Partial
     Direction Reverser; Forward/Reverse Power
     Clutch; Wet/Dry Wet
     Creeper IVT
Power Take-Off (PTO)
     Standard 13/4 1000, cap of 1-3/8 540/1000 w/o kit
     Optional 1-3/4 1000 or 1-3/8 540/1000 with kit
     Speeds @ RPM 540 @ 1950; 1000 @ 1950
     Control Electronic
Hydraulics
     Type Closed Ctr. - Pres. & Flow Compensated
          Standard 32 (121.2)
          Optional none
     Rated Flow @ One SCV, GPM (L/min) 30 (114 L/min)
     Max Output @ SCV Couplers, GPM (L/min) 32.0 (121.1)
     Maximum Operating Pressure, PSI (kPa) 3046 (21,000)
     Maximum Hydraulic Power, HP (kW) 49.0 (36.6)
     Draft Control Type Electrohydraulic
     Remote Control Valves Available 4 rear, 2 Mid-Mounts + 1 on/off-(max. 7)
     Hitch Category (SAE Designation) 3/3N
          Standard 10,050 (4559)
          Optional 14,000 (6350)
     Sensing Type Lower Link
Final Drive
     Type Inboard Planetary
     Differential Controls Electrohydraulic
          Front Yes
          Front & Rear Yes
     Engage On-the-Go Rear Differential Lock Yes
Operator Station
          Rigid - Foldable - Telescopic --
          Platform - Flat/Straddle --
          Gearshift Location - Console/Floor Right Hand Armrest w/IVT
          Doors 1 std., Right Hand door optional
          Platform - Flat/Straddle --
          dB(A) Rating 66.7
          Seat Suspension System Air / Active Seat optional
2WD Dimensions Not Available on 7920
MFWD Dimensions
     Wheelbase, in. (mm) 112.6 (2860)
     Front Tread Range, in. (mm) 60-88 (1523-2234)
     Front Axle Clearance, in. (mm) 24.5 (622) w/380/80R38, R1 front tires
     Turning Radius w/Brakes, ft. (m) --
     Turning Radius w/o Brakes, ft. (m) 19.7 (6.0) w/16.9R30, no fenders
     Limited Slip Differential Optional
     Unballasted Operating Weight, lb. (kg) 17,603 (7983) w/IVT
     Approx. Ship Wgt, lb. (kg) Open; Cab 17,603 (7983) w/IVT
4WD Dimensions
Standard Tires
          Front 420/90R30 142A8 (R1)
          Rear 480/80R46 158A8 (R1)
     4WD --
     Track Widths --
Miscellaneous
     Underhood Muffler Yes
     Joystick SCV Control Yes
     Inboard Planetary Yes
     Axle Type Rack & Pinion
     Brakes - Type and Control Hydraulic Wet Disk
     Country of Manufacture Waterloo, Iowa USA
     Ballasting Restrictions, lb. (kg) --
Specifications subject to change. Please contact your local dealer for more detailed information.