John Deere 7520 Price, Reviews, Specs, Engine Oil Capacity, Weight, Serial Numbers, Attachments, History, Features & Pictures
John Deere 7520 Tractor is equipped with a John Deere turbocharged inter-cooled diesel 6-cylinder liquid-cooled inline engine, which delivers 160 hp (119.3 kW) Drawbar (claimed) power at rated rpm 2100.
The John Deere 7520 Tractor featured a John Deere 8.7L 6-cyl diesel engine, 4×4 articulated 4WD, hydrostatic power steering, partially synchronized transmission, integral hydraulic wet disc brakes, and 16790 to 22320 pounds weight and 76 qts (71.9 L) Oil capacity.
Now, let’s find out the John Deere 7520 4WD Tractor Price, Parts Specs, Reviews, Serial Numbers & Images.
John Deere 7520 Price
John Deere 7520 Original Price: $26,400 (1975)
John Deere 7520 Specs
History
| Manufacturer | John Deere |
| Type | Four-wheel Drive (4WD) tractor |
| Factory | Waterloo, Iowa, USA |
| Total built | 4,661 |
| Original price | $26,400 (1975 ) |
The John Deere 7520 Serial Number
| Year | Serial Number |
| 1972 | 1000 |
| 1973 | 1615 |
| 1974 | 3054 |
| 1975 | 4999 |
| Final | 5705 |
John Deere 7520 Engine
| Engine | John Deere turbocharged inter-cooled diesel 6-cylinder liquid-cooled inline |
| Displacement | 531 ci 8.7 L |
| Bore/Stroke | 4.75×5.00 inches 121 x 127 mm |
| Fuel system | direct injection |
| Air cleaner | aspirator and dual paper elements |
| Compression | 15.4:1 |
| Rated RPM | 2100 |
| Operating RPM | 1500-2100 |
| Firing order | 1-5-3-6-2-4 |
| Starter volts | 12 |
| Oil capacity | 26 qts 24.6 L |
| Coolant capacity | 40 qts 37.9 L |
| Intake valve clearance | 0.018 inches 0.457 mm |
| Exhaust valve clearance | 0.028 inches 0.711 mm |
Capacity
| Fuel | 156 gal 590.5 L * |
| Hydraulic system | 19 gal 71.9 L |
John Deere 7520 Power
| Drawbar (claimed) | 160 hp 119.3 kW |
| PTO (claimed) | 175 hp 130.5 kW |
| Drawbar (tested) | 160.46 hp 119.7 kW |
| PTO (tested) | 175.82 hp 131.1 kW |
Mechanical
| Chassis | 4×4 articulated 4WD |
| Steering | hydrostatic power |
| Brakes | integral hydraulic wet disc |
| Cab | Cab standard. Air-conditioning optional. |
| Transmissions | 8-speed partially synchronized |
| 16-speed partially synchronized |
John Deere 7520 Transmission
Syncro-Range Transmission |
|
| Transmission | Syncro-Range |
| Type | partially synchronized |
| Gears | 8 forward and 2 reverse |
| Oil capacity | 76 qts 71.9 L |
Syncro-Range Hi-Lo Transmission |
|
| Transmission | Syncro-Range Hi-Lo |
| Type | partially synchronized |
| Gears | 16 forward and 4 reverse |
| Oil capacity | 76 qts 71.9 L |
Hydraulics
| Type | closed center |
| Capacity | 19 gal 71.9 L |
| Pressure | 2250 psi 155.1 bar |
| Pump flow | 21 gpm 79.5 lpm |
PTO
| Rear PTO | transmission |
| Rear RPM | 1000 |
John Deere 7520 Dimensions
| Wheelbase | 120 inches 304 cm |
| Length | 220 inches 558 cm |
| Width | 95.9 inches 243 cm |
| Height (cab) | 123 inches 312 cm |
| 131 inches 332 cm * |
|
| Shipping weight | 16790 lbs 7615 kg |
| Operating weight | 22320 lbs 10124 kg |
John Deere 7520 Tires
| Ag front | 18.4-34 |
| Ag rear | 18.4-34 |
| Ag front | 23.1-30 |
| Ag rear | 23.1-30 |
John Deere 7520 Weight |
|
| Operating | 13280 lbs 6023 kg |
| Max capacity | 22035 lbs 9995 kg |
| Max Drawbar | 4955 lbs 2247 kg |
| Max front axle | 9695 lbs 4397 kg |
| 16315 lbs 7400 kg (with loader) |
|
| Max rear axle | 17185 lbs 7795 kg |
Electrical
| Ground | negative |
| Charging system | alternator |
| Charging amps | 55 |
| 72* | |
| Charging volts | 12 |
| Batteries | 2 |
| Battery volts | 6 |
| Battery AH | 204 |
John Deere 7520 Attachments
John Deere 741 Loader |
|
| Height (to pin) | 172.5 inches 438 cm |
| Clearance, dumped bucket | 139.3 inches 353 cm |
| Dump reach | 38.2 inches 97 cm |
| Dump angle | 58.9° |
| Clearance, level bucket | 167 inches 424 cm |
| Reach at ground | 113.4 inches 288 cm |
| Breakout force (at pin) | 7779 lbs 3528 kg |
| Breakout force (at 800mm) | 5913 lbs 2682 kg |
| Breakout force (bucket) | 7172 lbs 3253 kg |
| Lift to full height (at pin) | 4617 lbs 2094 kg |
| Lift to full height (at 800mm) | 3527 lbs 1599 kg |
| Lift to 1.5m (at pin) | 6259 lbs 2839 kg |
| Lift to 1.5m (at 800mm) | 4966 lbs 2252 kg |
| Bucket width | 73 inches 185 cm |
| 96 inches 243 cm |
|
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John Deere 7520 Problems
John Deere vehicles are widely sought after all over the world due to their reputation for dependability. Users, however, frequently run into issues due to the nature of the vehicle.
Let’s talk about typical issues with the John Deere 7520, shall we?
The engine on a John Deere 7520 frequently has problems, including failing to start, failing to rotate, knocking, and overheating.
This tractor has transmission problems, including noisy front and rear axles. Possible faults with the steering include a lack of responsiveness when turning, or the steering wheel spinning freely.
The goal of this article is to help you diagnose and repair a few typical issues with your John Deere 7520.
The engine Won’t Start
The 7520, like other John Deere models, frequently experiences issues with starting the engine. If the engine won’t start, you can hear a clicking noise or nothing at all when you turn the key.
Additionally, you may hear the engine crank, but it will not start. Find the source of the issue and address it as quickly as feasible.
Reason 1: Wrong Valve Timing
The incorrect timing of the valves is the primary cause of this problem. Valve timing adjustment is the process of synchronizing the opening and closing of the valves of an internal combustion engine with the movement of the pistons within the cylinders.
Solution
The timing of the valves must be adjusted. It’s possible to fine-tune the valve timing on your own with just a few simple adjustments:
- First, all of the idler gear needs to be taken off. Find the 2, 3, and 1 on the idler gear.
- Idler gear 1 must now be fastened to the camshaft, followed by idler gear 2.
- The third idler then needs to be linked to the second idler.
Reason 2: Worn Cylinder Bores
The second most common reason is worn cylinder bores. Combustion chamber gases and fluids are kept out by a cylinder bore seal.
Worn cylinder bores can cause an engine to lose compression, which in turn reduces engine power and makes it difficult, if not impossible, to start.
Solution
Rebuilding the engine from the ground up should fix the problem. The engine needs to be taken apart, the broken parts replaced or repaired, and then put back together.
Engine repair is a complex and scientific process, and fixing a worn cylinder bore requires specific tools and knowledge of the engine.
Reason 3: Starter Turns Bad
If a diesel engine would not turn over, the problem is often with the starter. In order to get your car up and running, you need a reliable starter. To get a vehicle with a faulty starter relay or motor to move, you will need a jumpstart or a tow.
Solution
The starter needs to be inspected first. If fixing the problem is all that’s needed, this video will show you how to do it.
Reason 4: Damaged Piston Rings
The piston rings could be damaged or worn, preventing the engine from starting. Check for wear and tear and fraying.
Solution
To rectify this problem, the piston rings must be replaced. It is recommended that a technician perform the replacement. If you are competent in the necessary skills, you can handle it independently.
John Deere 7520 Review Video
Final Words
John Deere 7520 FAQ
John Deere 7520 has a horsepower range of 160 horsepower depending on the model.
John Deere 7520 has a 6-cylinder John Deere PowerTech engine that meets Tier 3 emission standards.
John Deere 7520 comes with a 16-speed PowrQuad Plus transmission or a 20-speed AutoQuad Plus transmission.
The maximum speed of John Deere 7520 is 40 km/h (25 mph) depending on the model.
John Deere 7520 has a fuel capacity of 156 gals 590.5 L * depending on the model.
The weight of John Deere 7520 ranges from 16790 to 22320 pounds depending on the model.
The turning radius of John Deere 7520 is approximately 15.1 ft (5 m).
John Deere 7520 comes with features such as a three-point hitch, hydraulic power steering, four-wheel drive, and a deluxe air-ride seat.
Optional features of John Deere 7520 include a front loader, a front hitch, a front PTO, and a GPS system.
Deere made the 7520 4WD model just a few years, from 1972 – 1975.
My name is Ranjitsinh Mantri founder of this blog and I am a full-time blogger writing is my passion. Just before 4 years ago We started this website in 2019 with my team to share our knowledge about tractor models and its prices guide on the internet.