John Deere 8970
The John Deere 8970 is a tractor produced by John Deere. It is equipped with a 855 ci 14.0 L engine. The listed engine power is Diesel (gross): 400 hp / 298.3 kW. Transmission: Power Shift. Operating weight: 31879 to 33655 pounds.
Engine Power
Diesel (gross): 400 hp / 298.3 kW
Fuel & Capacities
220 gal
832.7 L
Transmission
Power Shift
Operating Weight
33,655 lbs
15265 kg
Overview
 | 1993 - 1996
8070 SeriesFour-wheel Drive (4WD) tractor
8070 Series
Four-wheel Drive (4WD) tractor |
|---|
Production | |
|---|---|
Manufacturer | John Deere |
Four-wheel Drive (4WD) tractor | |
Built in Waterloo, Iowa, USA | |
Original price was $144,175 in 1993 | |
John Deere 8970 Engine | |
|---|---|
Cummins 14.0L 6-cyl diesel | |
Engine details ...  |
John Deere 8970 Power | |
|---|---|
Engine (gross) | 400 hp
298.3 kW |
PTO (claimed) | 339 hp
252.8 kW |
Drawbar (tested) | 313.92 hp
234.1 kW |
PTO (tested) | 354.45 hp
264.3 kW |
Performance test details ...  | |
Mechanical | |
|---|---|
Four-wheel drive | |
Final drives | inboard planetary |
Articulated power steering | |
Hydraulic wet disc brakes | |
Sound-Gard cab standard. | |
Capacity | |
|---|---|
Fuel | 220 gal
832.7 L |
Hydraulic system | 38 gal
143.8 L |
Hydraulics | |
|---|---|
Type | closed center pressure compensated |
Capacity | 38 gal
143.8 L |
Pressure | 2530 psi
174.4 bar |
Rear valves | 3 to 5 |
Pump flow | 44.8 gpm
169.6 lpm |
SCV flow | 33.3 gpm
126.0 lpm |
Power Take-off (PTO) | |
|---|---|
Rear PTO | independent (optional) |
Clutch | hydraulic wet disc |
Rear PTO Type | 1000 (1.75) |
Dimensions & Tires | |
|---|---|
Wheelbase | 134 inches
340 cm |
Weight | 31879 to 33655 pounds |
Front tire | 24.5R-32 |
Rear tire | 24.5R-32 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Batteries | 3 |
Battery CCA | 925 |
Battery volts | 12 |
References | |
|---|---|
 | |
250- to 400-HP 70 Series Tractors published in 1995, by John Deere |
Engine
Engine Detail — 855 ci / 14.0 L Diesel
Manufacturer | Cummins |
Configuration | turbocharged aftercooled diesel, 6-cylinder, liquid-cooled |
Displacement | 855 ci
14.0 L |
Bore/Stroke | 5.50x6.00 inches
140 x 152 mm |
Power (gross) | 400 hp
298.3 kW |
Air cleaner | dual paper elements with aspirator |
Compression | 14.0:1 |
Rated RPM | 2100 |
Starter volts | 12 |
Oil capacity | 36 qts
34.1 L |
Coolant capacity | 72 qts
68.1 L |
Transmission
Transmission options | |
|---|---|
12-speed partially synchronized | |
24-speed two-speed power shift | |
12-speed full power shift |
Transmission — Syncro
Transmission | Syncro |
Type | partially synchronized |
Gears | 12 forward and 3 reverse |
Clutch | PermaClutch hydraulic wet disc |
Three synchronized gears (1-3) in four ranges (A-D). | |
Transmission — PowrSync
Transmission | PowrSync |
Type | two-speed power shift |
Gears | 24 forward and 6 reverse |
Clutch | hydraulic wet disc |
Six gears (1-6) in four ranges (A-D). Power shift between gear pairs 1/2, 3/4, and 5/6. Synchronized shifting between other gears and ranges. | |
Transmission — Power Shift
Transmission | Power Shift |
Type | full power shift |
Gears | 12 forward and 2 reverse |
Clutch | hydraulic wet disc |
Dimensions
John Deere 8970 Tires | |
|---|---|
Ag front | 24.5R-32 |
30.5-32 | |
20.8R-38 | |
710/70R38 | |
20.8R-42 | |
18.4R-46 | |
Ag rear | 24.5R-32 |
30.5-32 | |
20.8R-38 | |
710/70R38 | |
20.8R-42 | |
18.4R-46 | |
Dimensions | |
|---|---|
Wheelbase | 134 inches
340 cm |
Length | 268.9 inches
683 cm |
Shipping weight | 31,879 lbs
14460 kg |
Operating weight | 33,655 lbs
15265 kg |
Front axle | 4.331 by 128 inches
110 by 3251 mm |
Rear axle | 4.331 by 128 inches
110 by 3251 mm |
Tests
OCED Tractor Test 1673 | |
|---|---|
Diesel PowrSync 4WD
October 26 - December 1, 1993
Link: OCED Tractor Test 1673 file | |
PTO performance | |
Power at rated engine speed | 354.45 hp
264.3 kW |
Fuel use | 20.7 gal/hour
78.3 l/hour |
Power at rated PTO speed | 393.39 hp
293.4 kW |
Fuel use | 21.5 gal/hour
81.4 l/hour |
Drawbar performance | |
Max power | 313.92 hp
234.1 kW |
Fuel use | 20.1 gal/hour
76.1 l/hour |
Max pull | 34,302 lbs
15559 kg |
Recommended Implements & Sizing Guide
Engineering recommendations for John Deere 8970 based on its 400 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 8+ Bottom On-Land Hitch8+ 铧重型机外牵引犁 | Commercial / Field Scale | High horsepower articulated/4WD field plowing. |
Rotary Cutter / MowerMowing & Clearing | 15 to 20 ft Batwing4.6 - 6.1 m 宽幅折叠翼 | Commercial / Field Scale | Large commercial field and roadside mowing operations. |
Rotary TillerSeedbed Prep | 90 to 120 in Heavy Duty230 - 300 cm 重型旋耕机 | Commercial / Field Scale | Deep intensive seedbed preparation for commercial row crops. |
Disc HarrowSecondary Tillage | 24 to 36 ft Heavy Duty Field Disc7.3 - 11.0 m 超宽重型整地耙 | Commercial / Field Scale | Broad-acre grain tillage for high-drawbar tractors. |
Hay BalerHay & Forage | Large Square Baler (3x4 or 4x4)大方捆商用打捆机 (1.2x1.2 m) | Commercial / Field Scale | High-capacity commercial forage harvesting (1000 RPM PTO). |
Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for John Deere 8970.
Estimated Continuous Field Runtime: 10.6 hrs
Approximately 10.6 hours of continuous field operation at ~75% rated power on a full tank (220 gal / 832.8 L).
Estimated 75% Load Fuel Burn~20.8 gal/hr (78.7 L/hr)
Engine Crankcase Oil
SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours
Transmission & Hydraulic System
UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours
Engine Cooling System
50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours
John Deere 8970 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for John Deere 8970.
Converted Equivalents:
Horsepower (HP)400 hp
Kilowatts (kW)298.3 kW
Metric Horsepower (PS / CV)405.5 PS
Direct Competitor Comparison
Compare John Deere 8970 against same-era industry alternatives in the same horsepower class.
Current Model
John Deere
John Deere 8970
Engine Power:Diesel (gross): 400 hp / 298.3 kW
★ Baseline Reference
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