Compare/MTD 390 vs MTD 400

MTD 390 vs MTD 400

Verdict: MTD 390 vs MTD 400

The MTD 390 and the MTD 400 are both lawn tractors — here is how they stack up on the figures that matter. MTD 390 leads on rated power with 6 hp against 5 hp. MTD 400 is the newer design (1974 vs 1966). In short: choose the MTD 390 for outright pulling power, or the MTD 400 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

MTD

Fit score

Best match

Clear

MTD

Fit score

Best match

Clear

Rated power

6 hp

5 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

MTDReference

air-cooled vertical-shaftReference

Model 402 has a variable-speed drive pulley set with a control knob.Reference

Engine

Power (gross)

4.5 kWReference

3.7 kWReference

Starter type

manual recoilReference

—

Displacement

—

12.57 ciReference

Bore/Stroke

—

65 x 62 mmReference

Starter

—

electricReference

Starter volts

—

12Reference

Transmission

PeerlessReference

MTD 717-0223Reference

Gears

3 forward and 1 reverseReference

1 forward and reverseReference

Dimensions

Weight

127 kgReference

—

Front tire

10.25-3.50Reference

—

Rear tire

12.50-4.50Reference

—

Lawn/turf front

10.25-3.50Reference

—

Lawn/turf rear

12.50-4.50Reference

—

Length

127 cmReference

—

Height (steering wheel)

73 cmReference

—

Shipping weight

127 kgReference

—

MTD 390 attachments

390 Serial Numbers

1966

136-390 (model code)Reference

—

1967

137-390 (model code)Reference

—

1968

138-390 (model code)Reference

—

1969

139-390 (model code)Reference

—

1970

130-390 (model code)Reference

—

1971

131-390 (model code)Reference

—

25" Mower deck

Type

gearReference

belt-driven gearReference

Cutting width

63 cmReference

66 cmReference

Overall width

68 cmReference

—

Cut height

3 to 7 cmReference

—

Variants

400

—

single speedReference

402

—

variable speedReference

R-50

—

similar White modelReference

MTD 400 attachments

400 Serial Numbers

1974

—

134-400A (model code)Reference

1975

—

135-400A (model code)Reference

1976

—

136-400A (model code)Reference

1977

—

137-400A (model code)Reference

1978

—

138-400A (model code)Reference

1979

—

139-400A (model code)Reference

1980

—

130-400A (model code)Reference

1981

—

131-400A (model code)Reference

1982

—

132-400A (model code)Reference

Electrical

Ground

—

negativeReference

Battery volts

—

12Reference

26" Mower deck

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.