Head to head · Four-Wheel Drive

John Deere 8870 vs John Deere 9120

John Deere 8870 Tractor
John DeereModel A

John Deere 8870

Four-Wheel Drive

power
350 hp
displacement
619 ci
Cylinders
6
Forward gears
24
Full 8870 specs
John Deere 9120 Tractor
John DeereModel B

John Deere 9120

Four-Wheel Drive

power
245 hp
displacement
496 ci
Cylinders
6
Forward gears
Not recorded
Full 9120 specs
John DeereJohn Deere 8870
vs
John DeereJohn Deere 9120

How they compare

Headline specs vs. the whole Four-Wheel Drive

n = 132–162

Engine Power

▲ 8870 higher · +105 hp (+43%)
8870350 hp
9120245 hp
Median Four-Wheel Drive Tractor375 hp

8870 is in the 41st percentile; 9120 is in the 14th · 162 models

Engine Displacement

▲ 8870 higher · +123 ci (+25%)
8870619 ci
9120496 ci
Median Four-Wheel Drive Tractor826 ci

8870 is in the 20th percentile; 9120 is in the 8th · 152 models

Cylinders

= Effectively tied
88706
91206
Median Four-Wheel Drive Tractor6

8870 is in the 50th percentile; 9120 is in the 50th · 159 models

Operating Weight

▲ 9120 higher · +245 lb (<1%)
887035,130 lb
912035,375 lb
Median Four-Wheel Drive Tractor37,428 lb

8870 is in the 43rd percentile; 9120 is in the 44th · 132 models

8870 (A)9120 (B)Median Four-Wheel Drive Tractor

Full comparison

Every spec, side by side

General Information

SpecJohn Deere 8870John Deere 9120Difference
ManufacturerJohn DeereJohn DeereSame
Model88709120—
CategoryFour-Wheel DriveFour-Wheel DriveSame

Engine

SpecJohn Deere 8870John Deere 9120Difference
ManufacturerJohn DeereNot recorded—
Power Output350hp245hp▲ 8870+105 hp · +43%
Rated RPM2,100RPM2,100RPMSame
Cylinders66Same
Displacement619ci496ci▲ 8870+123 ci · +25%
Bore5.1in4.6in▲ 8870+0.5 in · +11%
Stroke5in5.1in▲ 9120+0.1 in · +2%

Transmission

SpecJohn Deere 8870John Deere 9120Difference
TypePowersync Diesel 12 and 24 Speeds18-speed—

Dimensions & Weight

SpecJohn Deere 8870John Deere 9120Difference
Length269inNot recorded—
Operating Weight35,130lb35,375lb▲ 9120+245 lb · <1%

Hydraulics

SpecJohn Deere 8870John Deere 9120Difference
System TypeClosed center pressure compensatedNot recorded—
Steering TypeHydrostatic powerNot recorded—

Power Take-off (PTO)

SpecJohn Deere 8870John Deere 9120Difference
TypeIndependent (optional)Not recorded—
Speed 11,000rpmNot recorded—

Tires

SpecJohn Deere 8870John Deere 9120Difference
Front Tire SizeNot recorded620/70R46—
Rear Tire SizeNot recorded620/70R46—

Hitch & Towing

SpecJohn Deere 8870John Deere 9120Difference
Hitch Type3-point hitchNot recorded—
Hitch CategoryCategory 3Not recorded—
Hitch PositionRearNot recorded—
Hitch Capacity14,980lb13,871lb▲ 8870+1,109 lb · +8%

Chassis & Drive

SpecJohn Deere 8870John Deere 9120Difference
Chassis Type4x4 articulated 4WDfour-wheel drive with duals—
Drive Type4WD4WDSame
Steering TypeHydrostatic powerNot recorded—
Brake TypeHydraulic wet discsNot recorded—

Electrical

SpecJohn Deere 8870John Deere 9120Difference
Starter TypeElectricNot recorded—

Capacities

SpecJohn Deere 8870John Deere 9120Difference
Coolant14.5galNot recorded—

Operator Station

SpecJohn Deere 8870John Deere 9120Difference
TypeSound-Gard cab (standard)Not recorded—

Category context

Both models against the field

Engine Power

median 375 hp
A · 41st percentile (350 hp)B · 14th percentile (245 hp)

Engine Displacement

median 826 ci
A · 20th percentile (619 ci)B · 8th percentile (496 ci)

Cylinders

median 6
A · 50th percentile (6)B · 50th percentile (6)

Operating Weight

median 37,428 lb
A · 43rd percentile (35,130 lb)B · 44th percentile (35,375 lb)
A · 8870B · 9120Median Four-Wheel Drive Tractor
Full spec pageJohn Deere 8870Full spec pageJohn Deere 9120