Compare/John Deere 30A vs John Deere 850

John Deere 30A vs John Deere 850

Verdict: John Deere 30A vs John Deere 850

The John Deere 30A and the John Deere 850 are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 25 hp. John Deere 30A is the newer design (2005 vs 1978). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer demo.

Tune the fit score

Tell us about your operation

Acreage600 acBudgetMain crop / use

Fit & specs

John Deere

Fit score

Best match

Clear

John Deere

Fit score

Best match

Clear

Rated power

25 hp

Confidence

98%

Guide price

—

Overview

Distributor

John DeereReference

Manufacturer

GoldiniReference

YanmarReference

air-cooledReference

With 11.2-24 rear tires.Reference

Original price

—

$11,000 (1989 )Reference

Steering

—

powerReference

Engine

18.6 kWReference

—

Displacement

1.2 LReference

1.3 LReference

Bore/Stroke

95 x 88 mmReference

80 x 85 mmReference

Power

18.6 kWReference

—

Air cleaner

dryReference

paper elementReference

Rated RPM

2800Reference

2600Reference

Torque

67.0 NmReference

—

Torque RPM

2000Reference

—

Starter

electricReference

—

Starter volts

12Reference

Engine (gross)

—

18.6 kWReference

Drawbar (claimed)

—

14.2 kWReference

Drawbar (tested)

—

13.3 kWReference

Power (gross)

—

18.6 kWReference

Compression

—

21.2:1Reference

Coolant capacity

—

5.7 LReference

Power at rated engine speed

—

16.6 kWReference

Max power

—

13.3 kWReference

Fuel Type

—

DieselReference

No of Cylinders

—

3-cylinderReference

Rated engine speed

—

2,600Reference

Bore and stroke

—

3.15x3.35 inchesReference

Compression ratio

—

21.2:1Reference

Cooling system

—

liquid-cooled | 6 qtsReference

Transmission

Gears

6 forward and 3 reverseReference

8 forward and 2 reverseReference

Clutch

mechanical dry discReference

210mm dry discReference

forward and reverse options

—

8 forward and 2 reverseReference

Electrical

Ground

negativeReference

Charging system

alternatorReference

Battery volts

12Reference

Charging amps

—

25Reference

Battery CCA

—

570Reference

Battery Group

—

BCI 30HReference

Total cold cranking amps

—

570Reference

PTO & Hydraulics

PTO (claimed)

—

16.4 kWReference

PTO (tested)

—

16.6 kWReference

Hydraulic system

—

19.9 LReference

Type

—

gearReference

Capacity

—

19.9 LReference

Pressure

—

140.0 barReference

Rear Type

—

IReference

Control

—

position controlReference

Rear PTO

—

live two-stage clutchReference

Rear PTO Type

—

540 (1.375)Reference

Engine RPM

—

540@2258Reference

Power at rated PTO speed

—

15.4 kWReference

Capacities

Fuel

—

32.2 LReference

Dimensions

Wheelbase

—

162 cmReference

Weight

—

589 kgReference

Front tire

—

5.00-15Reference

Rear tire

—

9.5-24Reference

Ag front

—

5.00-15Reference

Ag rear

—

11.2-24Reference

Lawn/turf front

—

23/8.5-12Reference

Lawn/turf rear

—

13.6-16Reference

Length

—

298 cmReference

Width

—

135 cmReference

Height (hood)

—

129 cmReference

Max Drawbar

—

374 kgReference

Ground clearance

—

34 cmReference

Front tread

—

106 to 147 cmReference

Rear tread

—

106 to 127 cmReference

John Deere 850 attachments

850 Serial Number Location

850 Serial Numbers

1978

—

1000Reference

1979

—

3859Reference

1980

—

7389Reference

1981

—

11338Reference

1982

—

12481Reference

1983

—

14183Reference

1984

—

16006Reference

1985

—

18001Reference

1986

—

22001Reference

1987

—

25501Reference

1988

—

28337Reference

Final

—

30852Reference

Attachment overview

72" Mower deck

Cutting width

—

182 cmReference

Overall width

—

213 cmReference

John Deere 8A Backhoe

Backhoe type

—

John Deere 1550 BackhoeReference

John Deere 1550 Backhoe

Transport height

—

172 cmReference

Digging depth

—

236 cmReference

Reach from pivot

—

332 cmReference

Loading height

—

166 cmReference

Bucket Rotation

—

180°Reference

Swing Arc

—

180°Reference

Bucket force

—

1409 kgReference

Dipperstick force

—

666 kgReference

Test results

Fuel use

—

5.3 l/hourReference

Max pull

—

1224 kgReference

Speeds

General

Make & Model

—

YanmarReference

Power

Rated Power

—

25 hpReference

PTO

Rear PTO Power

—

AvailableReference

Hydraulics

Hydraulics Type

—

open centerReference

Maximum operating pressure

—

2,030 psiReference

Rear Hitch category (SAE designation)

—

Category IReference

Rear Hitch Sensing Type

—

position controlReference

Dimensions & weight

Overall Height

—

129 cmReference

Overall Length

—

299 cmReference

Wheels & tyres

Rear wheel tread range

—

9.5-24, 11.2-24 inchReference

Front Wheel tread range

—

5.00-15Reference

Steering & brakes

Steering type

—

manual, powerReference

Fit score weighs budget, operation size, crop match and data confidence against the details above. It’s guidance, not advice — always confirm with a dealer demo.