Sears LT1642
The Sears LT1642 is a tractor produced by Sears Lawn Tractors. The listed engine power is Gasoline (gross): 16 hp / 11.9 kW. Transmission: 5 forward and 1 reverse. Operating weight: 557 lbs 252 kg.
Engine Power
Gasoline (gross): 16 hp / 11.9 kW
Fuel & Capacities
3 gal
11.4 L
Transmission
5 forward and 1 reverse
Operating Weight
557 lbs
252 kg
Overview
 | 1978 - 1980
Lawn tractorMurray built
Lawn tractor
Murray built |
|---|
Production | |
|---|---|
Distributor | Sears |
Manufacturer | Murray |
Lawn tractor | |
Original price | $1,429 (1978 ) |
$1,679 (1979 ) | |
Sears LT1642 Engine | |
|---|---|
16HP 2-cyl gasoline | |
Fuel tank | 3 gal
11.4 L |
Engine details ...  | |
Sears LT1642 Transmission | |
|---|---|
5-speed gear | |
Transmission details ...  |
Mechanical | |
|---|---|
Two-wheel drive | |
Manual steering | |
Open operator station. |
Dimensions & Tires | |
|---|---|
Weight | 557 lbs
252 kg |
Front tire | 15x6.00 |
Rear tire | 18x9.50 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Battery volts | 12 |
Battery AH | 39 |
References | |
|---|---|
 | |
Riding Mowers, Lawn Tractors, Garden Tractors and Attachments published in 1979, by Sears | |
Lawn Tractors published in 1980, by Sears | |
Fall/Winter published in 1978, by Sears | |
Spring/Summer Catalog published in 1978, by Sears |
Engine
Engine Detail — Gasoline
Fuel Type | Gasoline |
Configuration | 2-cylinder, air-cooled vertical-shaft |
Power (gross) | 16 hp
11.9 kW |
Starter | electric |
Starter volts | 12 |
Transmission
Transmission — 5 forward and 1 reverse belt-driven gear
Type | belt-driven gear |
Gears | 5 forward and 1 reverse |
Dimensions
Sears LT1642 Tires | |
|---|---|
Lawn/turf front | 15x6.00 |
Lawn/turf rear | 18x9.50 |
Dimensions | |
|---|---|
Length | 63 inches
160 cm |
Width | 51 inches
129 cm |
Height | 38 inches
96 cm |
Shipping weight | 557 lbs
252 kg |
Attachments
Attachment overview | |
|---|---|
42" mid-mount mower deck | |
Snowblower | |
Blade |
42" Mower deck | |
|---|---|
Type | mid-mount Sears |
3-blade with manual lift | |
Cutting width | 42 inches
106 cm |
Overall width | 55 inches
139 cm |
Cut height | 1.875 to 3.875 inch
4 to 9 cm |
Cut positions | 5 |
Photos
Sears LT1642 tractor photo
Recommended Implements & Sizing Guide
Engineering recommendations for Sears Lawn Tractors Sears LT1642 based on its 16 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 Sears Lawn Tractors Sears LT1642.
Estimated Continuous Field Runtime: 3.6 hrs
Approximately 3.6 hours of continuous field operation at ~75% rated power on a full tank (3 gal / 11.4 L).
Estimated 75% Load Fuel Burn~0.8 gal/hr (3.1 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
Sears Lawn Tractors Sears LT1642 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Sears Lawn Tractors Sears LT1642.
Converted Equivalents:
Horsepower (HP)16 hp
Kilowatts (kW)11.9 kW
Metric Horsepower (PS / CV)16.2 PS
Direct Competitor Comparison
Compare Sears LT1642 against same-era industry alternatives in the same horsepower class.
Current Model
Sears Lawn Tractors
Sears LT1642
Engine Power:Gasoline (gross): 16 hp / 11.9 kW
★ Baseline Reference
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