M-R-S A-92
The M-R-S A-92 is a tractor produced by M R S. It is equipped with a 426 ci 7.0 L engine. The listed engine power is Diesel (listed): 238 hp / 177.5 kW. Transmission: 20 forward and 4 reverse. Drive type: 4x4 4WD. Operating weight: 25300 lbs 11476 kg.
Engine Power
Diesel (listed): 238 hp / 177.5 kW
Drive & Traction
4x4 4WD
Fuel & Capacities
Diesel
Transmission
20 forward and 4 reverse
Operating Weight
25300 lbs
11476 kg
Overview
 | 1977 - 1980
Four-wheel Drive (4WD) tractor |
|---|
Production | |
|---|---|
Manufacturer | M-R-S |
Four-wheel Drive (4WD) tractor | |
Built in Flora, Mississippi, USA | |
M-R-S A-92 Engine | |
|---|---|
Detroit Diesel 7.0L 6-cyl diesel | |
Engine details ...  |
M-R-S A-92 Transmission | |
|---|---|
20-speed | |
Transmission details ...  |
M-R-S A-92 Power | |
|---|---|
Engine | 238 hp
177.5 kW |
Drawbar (claimed) | 188 hp
140.2 kW |
Mechanical | |
|---|---|
Drive | 4x4 4WD |
Power four-wheel steering | |
Cab standard. | |
Hydraulics | |
|---|---|
Pump flow | 20 gpm
75.7 lpm |
Dimensions & Tires | |
|---|---|
Wheelbase | 123 inches
312 cm |
Weight | 25300 lbs
11476 kg |
Front tire | 23.1x30 |
Rear tire | 23.1x30 |
Full dimensions and tires ...  | |
Engine
Engine Detail — 426 ci / 7.0 L Diesel
Manufacturer | Detroit Diesel 6-71N |
Fuel Type | Diesel |
Configuration | 6-cylinder, liquid-cooled |
Displacement | 426 ci
7.0 L |
Bore/Stroke | 4.25x5.00 inches
108 x 127 mm |
Power | 238 hp
177.5 kW |
Rated RPM | 2100 |
Starter type | electric |
Transmission
Transmission — 20 forward and 4 reverse
Gears | 20 forward and 4 reverse |
Dimensions
M-R-S A-92 Tires | |
|---|---|
Ag front | 23.1x30 |
Ag rear | 23.1x30 |
Dimensions | |
|---|---|
Wheelbase | 123 inches
312 cm |
Length | 204 inches
518 cm |
Width | 114 inches
289 cm |
Height (cab) | 138 inches
350 cm |
Weight | 25300 lbs
11476 kg |
Max weight | 28000 lbs
12700 kg |
Ground clearance | 20 inches
50 cm |
Front tread | 90 inches
228 cm |
Rear tread | 90 inches
228 cm |
Photos
M-R-S A-92 tractor photo
Recommended Implements & Sizing Guide
Engineering recommendations for M R S M-R-S A-92 based on its 238 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 8+ Bottom On-Land Hitch8+ 铧重型机外牵引犁 | Commercial / Field Scale | High horsepower articulated/4WD field plowing. |
Rotary Cutter / MowerMowing & Clearing | 15 to 20 ft Batwing4.6 - 6.1 m 宽幅折叠翼 | Commercial / Field Scale | Large commercial field and roadside mowing operations. |
Rotary TillerSeedbed Prep | 90 to 120 in Heavy Duty230 - 300 cm 重型旋耕机 | Commercial / Field Scale | Deep intensive seedbed preparation for commercial row crops. |
Disc HarrowSecondary Tillage | 24 to 36 ft Heavy Duty Field Disc7.3 - 11.0 m 超宽重型整地耙 | Commercial / Field Scale | Broad-acre grain tillage for high-drawbar tractors. |
Hay BalerHay & Forage | Large Square Baler (3x4 or 4x4)大方捆商用打捆机 (1.2x1.2 m) | Commercial / Field Scale | High-capacity commercial forage harvesting (1000 RPM PTO). |
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 M R S M-R-S A-92.
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
M R S M-R-S A-92 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for M R S M-R-S A-92.
Converted Equivalents:
Horsepower (HP)238 hp
Kilowatts (kW)177.5 kW
Metric Horsepower (PS / CV)241.3 PS
Direct Competitor Comparison
Compare M-R-S A-92 against same-era industry alternatives in the same horsepower class.
Current Model
M R S
M-R-S A-92
Engine Power:Diesel (listed): 238 hp / 177.5 kW
★ Baseline Reference
Related models
M-R-S A-85
- Power:
- 202
- Production years:
- 1977 - 1980
M-R-S A-80B
- Power:
- 141
- Production years:
- 1967 - 1980
M-R-S A-95
- Power:
- 186
- Production years:
- 1966 - 1980
M-R-S A-105
- Power:
- -1
- Production years:
- 1964 - 1967
M-R-S A-110
- Power:
- -1
- Production years:
- 1964 - 1964