The John Deere 3120 tractor has published engine oil capacities from 5.1 to 11 US quarts (4.83 to 10.41 litres), depending on the engine or fuel variant. The representative 5.1-quart setup is above average for the Under 2.0 L peer group.
Tractor engine oil specifications
John Deere · 3120 · Engine oil capacity guide
Years: 2005 – 2008 and 1969 – 1972Capacity: 5.1–11 US qt (4.83–10.41 L)Engine: 1.5–5 LFuel: DieselVariants: 2
5.1–11 US qt (4.83–10.41 L)Engine oil capacity
1.5–5 LEngine size
DieselFuel
2005 – 2008 and 1969 – 1972Model years
Capacity overview
Oil capacity summary
The John Deere 3120 has multiple published engine-oil capacities in this dataset. The listed capacity is 5.1–11 US qt (4.83–10.41 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
Above average
5.1 qt
Low2.9 qt
This model5.1 qt
Average4.3 qt
High5.8 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 capacity5.1–11 US qt (4.83–10.41 L)
Engine manufacturerYanmar 3TNV84 and John Deere
Fuel typeDiesel
Cylinders3 and 6
Displacement1.5–5 L
Tractor typeUtility Tractor and Row-Crop Tractor
Overview
Model information
Manufacturer
John Deere
Model
3120
Category
Farm tractor
Model years
2005 – 2008 and 1969 – 1972
Tractor type
Utility Tractor and 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
Yanmar 3TNV84
1.5 L
3
5.1 qt
4.83 L
Oil capacity
Diesel
John Deere
5 L
6
11 qt
10.41 L
Oil capacity
Full specifications
Technical details
Engine details
Engine manufacturerYanmar 3TNV84 and John Deere
Fuel typeDiesel
Cylinders3 and 6
Displacement1.5–5 L
Oil service data
Published capacity5.1–11 US qt (4.83–10.41 L)
US gallon equivalent1.27–2.75 gal
Oil to have on hand2 × 1-gal jugs + 3 × 1-qt bottles (about exact)
