The John Deere 4230 is a classic Generation II row-crop tractor built from 1973 to 1977. It replaced the 4020 and became known for its strong 404 cubic inch diesel engine, closed-center hydraulics, and reliable field performance.
General Specifications
Product Name
John Deere 4230
Type
Row-crop tractor
Brand
John Deere
Series
Generation II Series
Production Years
1973 to 1977
Engine
John Deere 404 diesel
Fuel Type
Diesel; gasoline model available in 1973 only
Cylinders
6
Displacement
404 cu in / 6.6 L diesel
Aspiration
Naturally aspirated
PTO Horsepower
100 HP claimed / 100.32 HP tested
Drawbar Horsepower
83.95 HP tested
Rated RPM
2200 rpm
Transmission
8-speed Syncro-Range, 16-speed Quad-Range, 8-speed Power Shift, or 13-speed creeper
Drive
2WD or HFWD 4WD
Hydraulic System
Closed-center
Hydraulic Capacity
16 gal / 60.6 L
Hydraulic Pump Flow
22 gpm / 83.3 L/min
Rear Hitch
Category 2
Rear PTO
Independent
PTO Speeds
540 / 1000 rpm
Wheelbase
104 in / 264 cm
Weight
8,100 to 10,800 lb
Fuel Tank
37 gal / 140 L
Cooling System
24 qt / 22.7 L
Engine Oil Capacity
17 qt / 16.1 L
Higher Than Average 4230 Specs
100 HPPTO Power
83.95 HPDrawbar Power
22 gpmHydraulics
10,800 lbUpper Weight
17 qtOil Capacity
4230 Compared To Average Tractor
PTO Power
100 HP
Average
65 HP
Weight
10,800 lb
Average
6,000 lb
Hydraulics
22 gpm
Average
14 gpm
Best For
Plowing and tillage
Hay work
Loader work
Medium to heavy farm use
Classic tractor owners wanting simple reliability
Not Best For
Small residential properties
Tight maneuvering areas
Light-duty-only work
Modern precision farming setups
Engine
The diesel John Deere 4230 uses a 404 cubic inch / 6.6L 6-cylinder engine. It is naturally aspirated, simple, and durable. Gasoline 4230 models used a 362 cubic inch / 5.9L engine and were only available in 1973.
Hydraulics
The 4230 uses a closed-center hydraulic system with 16 gallons of hydraulic capacity and 22 gpm pump flow. That was strong for its era and still useful for loader and implement work today.
Transmission
Transmission choices included Syncro-Range, Quad-Range, Power Shift, and a creeper option. Quad-Range is common and rugged, while Power Shift is smoother for frequent speed changes.
Weight and Stability
The John Deere 4230 weighs 8,100 to 10,800 lb depending on configuration, ballast, tyres, cab, and drive setup. That gives it solid field traction without making it oversized.
Oil Capacity
The John Deere 4230 takes 17 quarts / 16.1 litres of engine oil, with coolant capacity listed at 24 quarts / 22.7 litres.
Summary
The John Deere 4230 is a proven Generation II row-crop tractor with 100 HP claimed PTO power, 100.32 HP tested PTO power, a 404 ci / 6.6L 6-cylinder diesel engine, 22 gpm closed-center hydraulics, and 17 quarts of engine oil capacity. It remains a strong classic tractor for real farm work.
