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.
John Deere 4030 specifications
| Production years | 1973-1977 |
|---|---|
| Engine | 5.4 L six-cylinder diesel; 5.0 L petrol 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. | 3,330 kg shipping; 4,165 kg operating |
| Fuel type | Diesel; petrol 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 petrol 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 petrol 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. Used tractor values vary by condition and region. Page updated 19 Sep 2026.