Specifications, Service and Repair of Farm and Lawn Tractors

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John Deere 2520 Tractor Specs Overview

John Deere 2520 Tractor Engine

Engine Model - Yanmar 3TNV82A
Engine Power, Rated, hp (kW) - 26.4 (19.7)
Engine Speed, rpm - 2600
Power Boost, hp (kW) - No boost
Fuel Tank, gal (L) - 7.1 (27)
Cylinders - 3
Displacement, cu in (L) - 81.2 (1.33)
Engine Bore, in (mm) - 3.23 (82)
Engine Stroke, in (mm) - 3.31 (84)
Block Design, Replaceable Liners - Cast in block
Aspiration, Turbocharged or Naturally Aspirated - Natural

Tractor Fuel System

Fuel System Description - Rotary-Distributor Type
Fuel System Control - Mechanical
Fuel Injection to combustion chamber - Direct

Emission and Exhaust Treatment

Exhaust Pipe - Horizontal

Cooling System

Fan Drive Type - Belt

Electrical System

System Rating, Volts - 12
Alternator Rating, Amps - 20

John Deere 2520 Tractor Transmission

Description - Hydro: 2 Range
Transmission Type - Hydrostatic
Forward / Reverse Speeds - Infinite
Maximum Speed Forward, mph (kph) - 4.5 (7.2)
Creeper Range - Yes, hydrostatic
Shuttle (Forward-Reverse) - Yes

John Deere 2520 Tractor PTO (Power take off)

PTO Horsepower, hp (kW) - 20.5 (15.3)
PTO Speeds, rpm - 540
PTO operational Type - Independent

Wheels

Drive Wheels - 4WD
Tractor Steering Configuration - Front Steer

Rear Axle

Final Drive - Spur gear
Axle Output End - Flange
Axle Bar Diameter, in (mm) - No bar axle

Tractor Brakes

Brake Type - Wet disc

John Deere 2520 Tractor Hydraulic System

Hydraulic System Type - Open center
Main Hydraulic Pump Type - Dual gear
Standard Pump Flow, gpm (Lpm) - 10.5 (39.6)
Standard Remote Valves - 2

3-Point Hitch Features

3-Point Hitch Category - Category 1
Draft Sensing or Lift Control - Position Control

3-Point Hitch Lift Capacity

Standard Lift Capacity 24 Inches behind pin, lb (kg) - 1,250 (567)
Standard Lift Capacity at lift pin, lb (kg) - 1,433 (650)

Drawbar

Drawbar Description - Adjustable

Wheelbase

Wheelbase, 4WD, in (mm) - 65.2 (1655)

Tire Size

Front Tire Size, 4WD - 24x8.5-14 R3
Rear Tire Size - 36x14.00-15 R3

JD 2520 Tractor features

Optional Independent Lift Kit uses tractor hydraulics and lower deck, increase independent of the 3-point hitch position.

Folding ROPS as standard and comply with ASAE and OSHA standards.

Hydrostatic steering for smooth and stable maneuvering.

On Disaster Drive About Deck allows for easy fastening deck.

200 CX loader can attach and detach in under 3 minutes - without tools.

Convenient loader joystick is positioned close at hand and clear of your knee.

John Deere 2520 Tractor Service Intervals and Operations

As Needed

- Replace alternator belt.
- Replace air filter elements.
- Replace light bulbs.
- Replace fuses.
- Clean and replace battery.
- Replace radiator hoses and clamps.
- Check tire air pressure.
- Clean fuel tank overfill reservoir.
- Drain water and sediment from fuel tank, and service water separator.
- Check and clean front grille and side screens.
- Check and clean radiator cooling screen.
- Clean debris from engine compartment.

After First 10 Hours

- Check wheel bolt torque.

Every 10 Hours or Daily

- Test safety systems.
- Check JD 2520 Tractor engine oil level.
- Check transmission oil level.
- Check air filter rubber dust unloading valve.
- Check radiator coolant level.

After First 50 Hours

- Change engine oil and filter.
- Change transmission oil and filter.
- Clean transmission suction screen.

Every 50 Hours

- Check front axle oil level.
- Lubricate machine.

Every 200 Hours

- Change engine oil and filter.
- Change transmission oil and filter.
- Clean JD 2520 Tractor transmission suction screen and internal magnets.
- Inspect alternator belt.
- Check wheel bolt torque.

Every 400 Hours

- Replace fuel filter.

Every 600 Hours

- Check engine low idle speed.
- Check air filter element, intake, hoses, and clamps.
- Change front axle oil.
- Check brake adjustment.

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