The John Deere 4640 tractor has published engine oil capacities from 20 to 20.1 US quarts (18.93 to 19.02 litres), depending on the engine or fuel variant. The representative 20-quart setup is around average for the 6.0–7.9 L peer group.
Tractor engine oil specifications
John Deere · 4640 · Engine oil capacity guide
Years: 1978 – 1982 and 1977 – 1984Capacity: 20–20.1 US qt (18.93–19.02 L)Engine: 7.6 LFuel: DieselVariants: 2
20–20.1 US qt (18.93–19.02 L)Engine oil capacity
7.6 LEngine size
DieselFuel
1978 – 1982 and 1977 – 1984Model years
Capacity overview
Oil capacity summary
The John Deere 4640 has multiple published engine-oil capacities in this dataset. The listed capacity is 20–20.1 US qt (18.93–19.02 L). Oil capacity can vary by engine, fuel configuration and production revision, so the exact variant table below matters when more than one setup exists.
Tractor-engine benchmark
How this oil capacity compares
Peer values use tractors in the same engine-size class.
Engine oil capacity
Around average
20 qt
Low14 qt
This model20 qt
Average18.8 qt
High22.2 qt
Typical low and high use the 10th and 90th percentile of this engine-size group, which avoids one unusual tractor distorting the scale.
At a glance
Tractor profile
Oil capacity20–20.1 US qt (18.93–19.02 L)
Engine manufacturerJohn Deere
Fuel typeDiesel
Cylinders6
Displacement7.6 L
Tractor typeRow-Crop Tractor
Overview
Model information
Manufacturer
John Deere
Model
4640
Category
Farm tractor
Model years
1978 – 1982 and 1977 – 1984
Tractor type
Row-Crop Tractor
Engine / capacity variants
2
Engine & fuel variants
Oil-capacity variants
Different engine, fuel or production variants are shown separately when they have distinct published oil-capacity data.
Fuel
Engine
Displacement
Cyl.
Oil capacity
Litres
Variant / note
Diesel
John Deere
7.6 L
6
20 qt
18.93 L
Oil capacity
Diesel
John Deere
7.6 L
6
20.1 qt
19.02 L
Oil capacity
Full specifications
Technical details
Engine details
Engine manufacturerJohn Deere
Fuel typeDiesel
Cylinders6
Displacement7.6 L
Oil service data
Published capacity20–20.1 US qt (18.93–19.02 L)
US gallon equivalent5–5.03 gal
Oil to have on hand5 × 1-gal jugs + 1 × 1-qt bottle (~0.9 qt spare)
