The John Deere 6605 tractor has published engine oil capacities from 12.7 to 20.1 US quarts (12.02 to 19.02 litres), depending on the engine or fuel variant. The representative 12.7-quart setup is very low for the 6.0–7.9 L peer group.
Tractor engine oil specifications
John Deere · 6605 · Engine oil capacity guide
Years: 1998 – 2002 and 1998 – 2005Capacity: 12.7–20.1 US qt (12.02–19.02 L)Engine: 6.8 LFuel: DieselVariants: 2
12.7–20.1 US qt (12.02–19.02 L)Engine oil capacity
6.8 LEngine size
DieselFuel
1998 – 2002 and 1998 – 2005Model years
Capacity overview
Oil capacity summary
The John Deere 6605 has multiple published engine-oil capacities in this dataset. The listed capacity is 12.7–20.1 US qt (12.02–19.02 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
Very low
12.7 qt
Low14 qt
This model12.7 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 capacity12.7–20.1 US qt (12.02–19.02 L)
Engine manufacturerJohn Deere 6068 and John Deere 6068T
Fuel typeDiesel
Cylinders6
Displacement6.8 L
Tractor typeUtility Tractor
Overview
Model information
Manufacturer
John Deere
Model
6605
Category
Farm tractor
Model years
1998 – 2002 and 1998 – 2005
Tractor type
Utility 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 6068
6.8 L
6
12.7 qt
12.02 L
Oil capacity
Diesel
John Deere 6068T
6.8 L
6
20.1 qt
19.02 L
Oil capacity
Full specifications
Technical details
Engine details
Engine manufacturerJohn Deere 6068 and John Deere 6068T
Fuel typeDiesel
Cylinders6
Displacement6.8 L
Oil service data
Published capacity12.7–20.1 US qt (12.02–19.02 L)
US gallon equivalent3.17–5.03 gal
Oil to have on hand5 × 1-gal jugs + 1 × 1-qt bottle (~0.9 qt spare)
