John Deere tractor · 1973-1977

John Deere 4630 Tractor

The John Deere 4630 is a 150-PTO-hp Generation II row-crop tractor produced from 1973 through 1977. It is a serious large-acreage tractor for high-demand drawbar and PTO work, provided its powertrain and hydraulic systems check out thoroughly.

Production years

1973-1977

Engine

John Deere 404 cu in (6.6L) six-cylinder diesel

Power

150 hp PTO, claimed; 150.66 hp PTO, tested

Weight, approximate

16,250 lb

John Deere 4630 specifications

Production years	1973-1977
Engine	John Deere 404 cu in (6.6L) six-cylinder diesel
Power	150 hp PTO, claimed; 150.66 hp PTO, tested
Transmission	8-speed Syncro-Range, 16-speed Quad-Range, or 8-speed Power Shift
Weight, approximate	16,250 lb
Fuel type	Diesel
Drive	2WD or optional HFWD 4WD
PTO	Independent 1,000 rpm

What the 4630 is used for

The 4630 is suited to large implements, heavy tillage, forage equipment, and other work that benefits from its 150-PTO-hp rating and substantial operating weight. It is more tractor than most small-acreage chores require.

Its standard Sound-Gard cab with air conditioning improves all-day usability, and its closed-center hydraulics support demanding implements. It should be matched to adequate transport space, service capacity, and appropriately sized implements.

Why the John Deere 4630 stands out

Built in Waterloo, Iowa, the 4630 pairs a 6.6L diesel with 2WD or optional HFWD, planetary final drives, wet disc brakes, closed-center hydraulics, and a Category III/IIIN rear hitch. Buyers can find Syncro-Range, Quad-Range, or Power Shift versions, each requiring a different inspection focus.

Buying a used John Deere 4630

A complete warm inspection is essential: verify each transmission range and shift, hydraulic pressure and remote operation, PTO engagement, brake operation, steering, differential lock, and air-conditioning function. Look closely for leakage or contamination in the engine, transmission, and hydraulic systems, and confirm whether the tractor is 2WD or HFWD before valuing it against comparable machines.

John Deere 4630 frequently asked questions

How much PTO horsepower does a John Deere 4630 have?

It is rated at 150 PTO horsepower, with 150.66 PTO horsepower recorded in testing.

Did every 4630 have a Sound-Gard cab?

The 4630 was equipped with a Sound-Gard cab with air conditioning as standard equipment.

What rear PTO speed does the 4630 use?

It has an independent 1,000-rpm rear PTO.

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.

Other John Deere tractors

John Deere 40 John Deere 50 John Deere 60 John Deere 70 John Deere 620 John Deere 720 John Deere 820 John Deere 830 John Deere 1020 John Deere 1025R John Deere 2010 John Deere 2020 John Deere 2350 John Deere 2440 John Deere 2630 John Deere 3010 John Deere 3020 John Deere 3038E John Deere 4010 John Deere 4020 John Deere 4030 John Deere 4055 John Deere 4230 John Deere 4255 John Deere 4320 John Deere 4430 John Deere 4440 John Deere 4455 John Deere 4520 John Deere 5010 John Deere 5020 John Deere 5055E John Deere 5075E John Deere 6030 John Deere 6410 John Deere 7520 John Deere 8630 John Deere A John Deere B John Deere G