Compare/Kubota M8580 vs Kubota SMZ85

Kubota M8580 vs Kubota SMZ85

Verdict: Kubota M8580 vs Kubota SMZ85

The Kubota M8580 and the Kubota SMZ85 are both tractors — here is how they stack up on the figures that matter. Kubota M8580 leads on rated power with 85 hp against 84 hp. Kubota SMZ85 is the lighter machine (2,919 kg vs 3,799 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Kubota SMZ85 is the newer design (2006 vs 1991). In short: choose the Kubota M8580 for outright pulling power, or the Kubota SMZ85 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.

Tune the fit score

Tell us about your operation

Acreage600 acBudgetMain crop / use

Fit & specs

Kubota

Fit score

Best match

Clear

Kubota

Fit score

Best match

Clear

Rated power

85 hp

84 hp

Confidence

98%

Guide price

—

Overview

Manufacturer

KubotaReference

Six synchronized gears in two ranges with mechanical shuttle. Clutch required to shift direction. The mechanical shuttle transmission was used on the M8580 when fitted with ROPS.Reference

Eight gears (1-8) in three ranges (creeper, low, and high) with left-hand shuttle shift.Reference

Engine

Fuel tank

104.8 LReference

Engine (net)

63.4 kWReference

—

Displacement

4.7 LReference

3.8 LReference

Bore/Stroke

109 x 125 mmReference

100 x 120 mmReference

Power (net)

63.4 kWReference

—

Fuel system

direct injectionReference

—

Rated RPM

2400Reference

2600Reference

Starter

electricReference

—

Starter volts

12Reference

—

Engine

—

62.5 kWReference

Power

—

62.5 kWReference

Starter type

—

electricReference

Fuel Type

—

dieselReference

No of Cylinders

—

4 cylinderReference

Rated engine speed

—

2,600 RPMReference

Bore and stroke

—

3.94x4.72 inchesReference

Cooling system

—

liquid-cooledReference

Transmission

Gears

12 forward and reverseReference

24 forward and reverseReference

forward and reverse options

—

24F and 24RReference

Wheel Drive

—

4WDReference

PTO & Hydraulics

PTO (claimed)

59.7 kWReference

—

Type

mechanical shuttleReference

—

Valves

2 or 3Reference

—

Pump flow

79.9 lpmReference

—

Total flow

112.0 lpmReference

—

Steering flow

32.2 lpmReference

—

Rear Type

IIReference

Control

position and draft controlReference

Rear lift (at 24"/610mm)

2634 kgReference

—

Rear PTO

independentReference

—

Clutch

hydraulic wet discReference

electro-hydraulic wet discReference

Rear PTO Type

540/1000Reference

540 (1.375)Reference

Engine RPM

—

1170@2600Reference

Dimensions

Wheelbase

244 cmReference

225 cmReference

Weight

3799 kgReference

2919 kgReference

Front tire

13.6-24Reference

9.5-24Reference

Rear tire

18.4-34Reference

12.4-38Reference

Standard tires (ag)

Front: 13.6-24. Rear: 18.4-34Reference

Front: 9.5-24. Rear: 12.4-38Reference

Optional tires (ag)

Front: 12.4-24. Rear: 16.9-34Reference

—

Length

410 cmReference

379 cmReference

Width

201 cmReference

182 cmReference

Height (cab)

265 cmReference

254 cmReference

Ground clearance

61 cmReference

43 cmReference

Front tread

164 to 173 cmReference

133 to 151 cmReference

Rear tread

150 to 211 cmReference

119 to 189 cmReference

Kubota M8580 attachments

Electrical

Ground

negativeReference

—

Charging system

alternatorReference

—

Battery volts

12Reference

—

Attachment overview

Variants

SMZ85

—

utilityReference

SMZ85-HPC

—

half-trackReference

General

Make & Model

—

KubotaReference

Capacities

Capacity

—

230 ciReference

Hydraulics

Capacity Valves

—

16 valveReference

Rear Hitch category (SAE designation)

—

Category IIReference

Rear Hitch Sensing Type

—

position and draft controlReference

Power

Max Power

—

83.8 hpReference

PTO

Rear PTO RPM

—

540 RPMReference

Engine Speed on Rear PTO speed

—

1,170@2,600 RPMReference

Steering & brakes

Brakes

—

mechanical wet discReference

Steering type

—

powerReference

Dimensions & weight

Height Over Cab

—

254.5 cmReference

Overall Length

—

380 cmReference

Overall Width

—

182.6 cmReference

Overall weight

—

2,919.8 kgReference

Wheels & tyres

Rear Wheel Type

—

12.4-38Reference

Rear wheel tread range

—

47.2 to 74.8 inchesReference

Front Wheel Type

—

9.5-24Reference

Front Wheel tread range

—

52.4 to 59.8 inchesReference

Operator station

Cab Availability

—

AvailableReference

Cab Air conditioning, temperature differential

—

Cab standard.Reference

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.