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MTD 830 vs MTD 840
Verdict: MTD 830 vs MTD 840
The MTD 830 and the MTD 840 are both lawn tractors — here is how they stack up on the figures that matter. Both are rated at the same 18 hp. MTD 830 is the lighter machine (45 kg vs 330 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. MTD 840 is the newer design (1990 vs 1980). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer demo.
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Fit & specs
MTD
62
Fit score
Best match
Clear
MTD
62
Fit score
Best match
Clear
Rated power
18 hp
18 hp
Confidence
40%
40%
Guide price
—
—
Overview
Manufacturer
MTDReference
MTDReference
air-cooled vertical-shaft opposed-twinReference
Three-range gearbox (low, high reverse) and a variable-speed control with seven detent positions. Tractor must be stopped, and clutch/brake used, to shift ranges.Reference
Engine
Displacement
42.3 ciReference
42.33 ciReference
Bore/Stroke
87 x 58 mmReference
87 x 58 mmReference
Power (gross)
13.4 kWReference
13.4 kWReference
Starter
electricReference
electricReference
Starter volts
12Reference
12Reference
Fuel tank
—
9.5 LReference
Transmission
Transmission
Peerless 2300Reference
MTD TransmaticReference
Gears
4 forward and 1 reverseReference
14 forward and 7 reverseReference
Oil capacity
—
0.9 LReference
Oil type
—
Shell DarinaReference
Oil change
—
sealed unit, owner service is not recommendedReference
PTO & Hydraulics
Mid PTO
independentReference
independentReference
Clutch
manual idler pulleyReference
manualReference
Mid PTO Type
—
pulleyReference
Dimensions
Front tire
15x6.00Reference
16.00x6.50Reference
Rear tire
22x7.50Reference
23.00x9.50Reference
Weight
45 kgReference
330 kgReference
Lawn/turf front
15x6.00Reference
16.00x6.50Reference
Lawn/turf rear
22x7.50Reference
23.00x9.50Reference
MTD 830 attachments
830 Serial Numbers
Location:
Serial number decal on top of the rear fender deck, below the seat.Reference
Serial number decal below the seat.Reference
Electrical
Ground
negativeReference
negativeReference
Battery volts
12Reference
12Reference
Battery CCA
—
275Reference
Attachment overview
44" Mower deck
Type
belt-driven gearReference
belt-driven CVTReference
Cutting width
111 cmReference
116 cmReference
MTD 840 attachments
840 Serial Numbers
46" 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.