John Deere tractor · 1973-1977

John Deere 4030 Tractor

The John Deere 4030 is a 1973-1977 Generation II row-crop tractor with 80.33 tested PTO hp and a strong closed-center hydraulic system. It is a versatile classic for field and PTO work, provided its transmission and hydraulic systems have been maintained correctly.

Production years

1973-1977

Engine

329 cu in (5.4 L) six-cylinder diesel; 303 cu in (5.0 L) gasoline available in 1973 only

Power

80 hp claimed PTO; 67.03 hp tested drawbar; 80.33 hp tested PTO

Weight approx.

7,340 lb shipping; 9,180 lb operating

John Deere 4030 specifications

Production years	1973-1977
Engine	329 cu in (5.4 L) six-cylinder diesel; 303 cu in (5.0 L) gasoline available in 1973 only
Power	80 hp claimed PTO; 67.03 hp tested drawbar; 80.33 hp tested PTO
Transmission	Eight-speed partially synchronized, 16-speed partial powershift, or 13-speed creeper
PTO	Independent rear PTO, 540/1,000 rpm
Weight approx.	7,340 lb shipping; 9,180 lb operating
Fuel type	Diesel; gasoline was available for the 1973 model year only
Hydraulics	Closed-center, 23 gpm pump flow

What the 4030 is used for

The 4030 is suitable for hay tools, planting, tillage, loader work, and PTO-driven equipment within its power range. Its independent PTO, power steering, and high-capacity hydraulics make it more capable for varied work than many earlier tractors.

Select implements based on the transmission and PTO configuration actually fitted. A Sound-Gard cab, Roll-Gard ROPS, and hydraulic differential lock were options, so equipment level varies materially between tractors.

Why the John Deere 4030 stands out

The 4030 brings 80.33 tested PTO hp, closed-center hydraulics rated at 23 gpm, and several transmission choices to the Generation II platform. Deere built 15,690 total units in Waterloo, Iowa, including 222 gasoline models.

Buying a used John Deere 4030

Determine whether the tractor has the eight-speed, partial-powershift, or creeper transmission, then test each range and shift function under operating temperature. Inspect hydraulic response and remote valves, verify PTO engagement at both speeds, and confirm whether a diesel or the scarce 1973-only gasoline engine is installed.

John Deere 4030 frequently asked questions

What is the tested PTO horsepower of a John Deere 4030?

TractorData lists 80.33 hp tested PTO power.

Does the John Deere 4030 have closed-center hydraulics?

Yes. Its hydraulic system is closed-center, with 23 gpm pump flow listed by TractorData.

Was a cab available on the John Deere 4030?

Yes. A Sound-Gard cab with heat and air conditioning was optional.

Specifications are commonly cited figures for general reference; exact figures vary by year and serial number, so confirm against TractorData.com and the machine's records. Values and prices of used tractors vary by condition and region. Page updated Aug 4, 2026.

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