John Deere 3038E/3038 Tractor Engine
Engine Model – Yanmar 3TNV84T
Engine Power, Rated, hp (kW) – 37.1 (27.3)
Engine Speed, rpm – 2500
Power Boost, hp (kW) – No boost
Fuel Tank, gal (L) – 6.4 (24.2)
Cylinders – 3
Displacement, cu in (L) – 91.5 (1.496)
Engine Bore, in (mm) – 3.31 (84)
Engine Stroke, in (mm) – 3.54 (90)
Block Design, Replaceable Liners – Cast in Block
Aspiration, Turbocharged or Naturally Aspirated – Turbocharged
Fuel System Description – Rotary-Distributor Type
Fuel System Control – Mechanical
Fuel Injection to combustion chamber – Direct
Exhaust Pipe – Underhood std; vertical opt
Fan Drive Type – Belt
System Rating, Volts – 12
Alternator Rating, Amps – 40
John Deere 3038E/3038 Tractor
Transmission
Description – Hydro – 2 Range
Transmission Type – Hydrostatic
Forward / Reverse Speeds – Infinite, 2 ranges
Maximum Speed Forward, mph (kph) – 13 (20.9)
Creeper Range – Yes, hydrostatic
Shuttle (Forward-Reverse) – Yes
John Deere 3038 Tractor PTO (Power
take off)
PTO Horsepower, hp (kW) – 30 (22.4)
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 Disk
John Deere 3038E Tractor Hydraulic
System
Hydraulic System Type – Open Center
Main Hydraulic Pump Type – Dual Gear
Standard Pump Flow, gpm (Lpm) – 9.3 (35.2)
Standard Remote Valves – 2
3-Point Hitch Features
3-Point Hitch Category – Category 1
Draft Sensing or Lift Control – Position Control
Draft Link Ends Adjustable – Yes
3-Point Hitch Lift Capacity
Standard Lift Capacity 24 Inches behind pin, lb (kg) – 1,356 (615)
Drawbar
Drawbar Description – Optional Drawbar
Wheelbase
Wheelbase, 4WD, in (mm) – 60 (1525)
Tire Size
Front Tire Size, 4WD – 7.00-14 4PR R1
Rear Tire Size – 11.2-24 4PR R1
JD 3038E/3038 Tractor Features
– LoadMatch – LoadMatch electronic power management system maximises
torque and virtually eliminates the possibility of stalling.
– Performance – Tracking System An exclusive digital Performance
Tracking System instantly tells you the status of the vital systems on
your tractor.
– Digital Speedometer A digital speedometer is perfect for precision
tasks like seeding.
– Direct-Injection – Direct-injection diesel engines are quick starting
offer deep reserves of torque for pulling heavy loads.
– Tilt Steering – John Deere 3038E Tractor Tilt steering wheel and seat
adjust for your comfort.
– Controls – Standard loader joystick stays close at hand and clear of
your knee.
– Standard 4WD – Digs in when doing loader work or rotary cutting over
challenging ground.
– 300 CX Loader – The 300 CX Loader lets you attach and detach in
minutes— with no tools.
– Folding ROPS – An EZ Fold ROPS ensures tractor fits easily in any
shed.
– Up to 5 SCV – Up to five independent selective control valves for a
wide variety of hydraulic implements.
JD 3038E Tractor Service
Engine
Changing Engine Oil and Filter:
– Run engine to warm the oil.
– Place drain pan under oil drain located on left side of engine.
– Remove drain plug.
– Wipe dirt from around oil filter.
– Turn filter counter-clockwise to remove.
– Put a light coat of clean engine oil on the gasket of new filter.
– Install replacement oil filter by turning filter clockwise until
gasket contacts filter base.
– Tighten additional one-half turn.
– Install drain plug. Do not overtighten.
– Remove oil fill cap.
– Add John Deere 3038E Tractor engine oil.
– Install oil fill cap.
– Start and run engine at idle to check for leaks.
– Stop engine. Fix any leaks before operating.
– Check engine oil level and add oil if necessary.
Servicing Air Filter Element:
– Allow engine to cool.
– Raise hood.
– Remove strap.
– Tilt canister up and release latches and remove air cleaner canister
cover.
– Remove and discard primary element.
– Clean out any dirt in canister, taking care not to damage the
secondary filter element.
– Replace with a new primary filter element.
– Install air cleaner canister cover with rubber dust unloading valve
pointing downward.
– Secure latches.
– Position canister back in place and install strap.
– Check instruction molded into canister cover for proper installation.
– Lower hood.
Changing Transmission Oil and Hydraulic
Suction Oil Filter:
– Drive JD 3038 Tractor tractor a few minutes to warm and mix
transmission oil.
– Position drain pan under transmission drain plug at rear cove.
– Suction filter assembly and spin-on pressure filter at left side of
transmission.
– Remove plug and allow oil to drain.
– Remove suction filter and allow oil to drain.
– Remove and HST filter and allow oil to drain.
– Install transmission drain plug.
– Replace both filters.
– Remove fill cap.
– Add recommended oil into filler opening.
– Start engine. Check for oil leaks around filter bases and drain plugs.
– Stop engine.
– Check transmission oil level.