MTD 840
The MTD 840 is a tractor produced by Mtd Lawn Tractors. It is equipped with a 693 cc 42.33 ci engine. The listed engine power is Gasoline (gross): 18 hp / 13.4 kW. Transmission: MTD Transmatic. Operating weight: 729 lbs 330 kg.
Engine Power
Gasoline (gross): 18 hp / 13.4 kW
Fuel & Capacities
2.5 gal
9.5 L
Transmission
MTD Transmatic
Operating Weight
729 lbs
330 kg
Overview
 | 1990 - 1995
Garden tractor |
|---|
Production | |
|---|---|
Manufacturer | MTD |
Garden tractor | |
MTD 840 Engine | |
|---|---|
18HP Briggs & Stratton 693cc 2-cyl gasoline | |
Fuel tank | 2.5 gal
9.5 L |
Engine details ...  | |
MTD 840 Transmission | |
|---|---|
14-speed CVT | |
Transmission details ...  |
Mechanical | |
|---|---|
Two-wheel drive | |
Manual steering | |
Disc brakes | |
Open operator station. |
Tractor hitch | |
|---|---|
Type | sleeve hitch OptOptional |
Power Take-off (PTO) | |
|---|---|
Mid PTO | independent |
Clutch | manual |
Mid PTO Type | pulley |
Dimensions & Tires | |
|---|---|
Weight | 729 lbs
330 kg |
Front tire | 16.00x6.50 |
Rear tire | 23.00x9.50 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Battery CCA | 275 |
Battery volts | 12 |
References | |
|---|---|
 | |
Owner's Manual 18 H.P. Garden Tractors (770-7855G) published in 1992 | |
Tractors, Mowers and Tillers published in 1990, by MTD |
Engine
Engine Detail — 693 cc / 42.33 ci Gasoline
Manufacturer | Briggs & Stratton |
Fuel Type | Gasoline |
Configuration | 2-cylinder, air-cooled vertical-shaft opposed-twin |
Displacement | 693 cc
42.33 ci |
Bore/Stroke | 3.44x2.28 inches
87 x 58 mm |
Power (gross) | 18 hp
13.4 kW |
Starter | electric |
Starter volts | 12 |
Transmission
Transmission — MTD Transmatic
Transmission | MTD Transmatic |
Type | belt-driven CVT |
Gears | 14 forward and 7 reverse |
Oil capacity | 1 qts
0.9 L |
Oil type | Shell Darina |
Oil change | sealed unit, owner service is not recommended |
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. | |
Shell Darina |
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MTD 840 Transmission | |
|---|---|
 |
Dimensions
MTD 840 Tires | |
|---|---|
Lawn/turf front | 16.00x6.50 |
Lawn/turf rear | 23.00x9.50 |
Dimensions | |
|---|---|
Weight | 729 lbs
330 kg |
Attachments
Attachment overview | |
|---|---|
46" mid-mount mower deck | |
Snowblower | |
Blade | |
Garden tractors are capable of using tillers, plows, or other ground-engaging attachments. TractorData does not list details of these attachments. |
46" Mower deck | |
|---|---|
Type | mid-mount MTD |
3-blade with manual lift | |
Cutting width | 46 inches
116 cm |
Photos
MTD 840 tractor photo
Recommended Implements & Sizing Guide
Engineering recommendations for Mtd Lawn Tractors MTD 840 based on its 18 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 1 to 2 Bottom (12")1 - 2 铧 (30 cm) | Light Duty | Ideal for garden plots and light sandy soil. |
Rotary Cutter / MowerMowing & Clearing | 4 ft (48 in)1.2 m | Light Duty | Pasture clipping and light brush under 1" diameter. |
Rotary TillerSeedbed Prep | 42 to 48 in105 - 120 cm | Light Duty | Covers compact tractor tire width. |
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 Mtd Lawn Tractors MTD 840.
Estimated Continuous Field Runtime: 2.7 hrs
Approximately 2.7 hours of continuous field operation at ~75% rated power on a full tank (2.5 gal / 9.5 L).
Estimated 75% Load Fuel Burn~0.9 gal/hr (3.5 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
Mtd Lawn Tractors MTD 840 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Mtd Lawn Tractors MTD 840.
Converted Equivalents:
Horsepower (HP)18 hp
Kilowatts (kW)13.4 kW
Metric Horsepower (PS / CV)18.2 PS
Direct Competitor Comparison
Compare MTD 840 against same-era industry alternatives in the same horsepower class.
Current Model
Mtd Lawn Tractors
MTD 840
Engine Power:Gasoline (gross): 18 hp / 13.4 kW
★ Baseline Reference
International HarvesterMarket Competitor
International Harvester Type A 15HP
Engine Power:16.7
Production Years:1908 - 1911
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