Wikitractor

John Deere 7520

Production ended · 4WD

PTO power · claimed

175 hp

Weight
22,320 lb
Engines
1 Diesel
Built
4,661
Price new · 1975
$26,400

Power

Engineno record
PTO175 hp claimed
PTO, tested175.8 hp
Drawbar160 hp claimed
Drawbar, tested160.5 hp
Listed power194 hp PTO basis

Engines

John Deere 8.7L 6-cyl dieselDiesel · 6 cyl531 ci
Engine details
John Deere 8.7L 6-cyl diesel
Bore × stroke
4.75 in × 5 in
Rated speed
2,100 rpm
Compression
15.4:1
Cooling
liquid-cooled inline
Firing order
1-5-3-6-2-4

Transmissions

Syncro-Rangepartially synchronized8F / 2R
Syncro-Range Hi-Lopartially synchronized16F / 4R
Transmission notes

Syncro-Range Hi-Lo: Eight-speed Deere Synchro-Range transmission with added high and low gears.

Weight

Weight22,320 lb operating
Shipping16,790 lb

Dimensions

Wheelbase120 in
Length220 in
Width95.9 in

Capacities

Fuel tank156 gal
Hydraulic system19 gal

Hydraulics

Systemclosed center
Pump flow21 gpm
Pressure2,250 psi

Hitch

Rear lift capacityno record

PTO

Rear PTOtransmission
Rear PTO speeds1000

Chassis

Drive4WD
Steeringhydrostatic power
BrakesIntegral hydraulic wet disc brakes
CabCab standard. Air-conditioning optional

Tires

Front18.4-34
Rear18.4-34

Electrical

System voltage6 V
Batteries2
Battery capacity204 Ah
Chargingalternator
Charging output55 A
Groundnegative

Production

Total built4,661
Price new$26,400 (1975)
FactoriesWaterloo, Iowa, USA
Built byJohn Deere

Serial numbers

Serial number plate on the rear of the tractor, above the PTO.

YearFirst serial
19721000
19731615
19743054
19754999
Final5705

Literature

  • The John Deere 20 Series New Generation Tractors Benjamin Hain
  • Operator's Manual 7520 Tractor (OM-R51902)