Cub Cadet RZT S50 KH
The Cub Cadet RZT S50 KH is a tractor produced by Cub Cadet Lawn Tractors. It is equipped with a 725 cc 44.24 ci engine. The listed engine power is Gasoline (gross): 25 hp / 18.6 kW. Transmission: Hydro-Gear EZT. Operating weight: 620 lbs 281 kg.
Engine Power
Gasoline (gross): 25 hp / 18.6 kW
Fuel & Capacities
2.8 gal
10.6 L
Transmission
Hydro-Gear EZT
Operating Weight
620 lbs
281 kg
Overview
 | 2012 - 2024
Model year 2012-20132014-2024
RZT S SeriesZero-turn mower
RZT S Series
Zero-turn mower |
|---|
Production | |
|---|---|
Manufacturer | Cub Cadet (a part of MTD) |
Zero-turn mower | |
Cub Cadet RZT S50 Engine | |
|---|---|
25HP Kohler 725cc 2-cyl gasoline | |
Fuel tank | 2.8 gal
10.6 L |
Engine details ...  | |
Cub Cadet RZT S50 Transmission | |
|---|---|
hydrostatic | |
Transmission details ...  |
Mechanical | |
|---|---|
Two-wheel drive | |
Steering | differential power |
Power steering | |
Open operator station. | |
Power Take-off (PTO) | |
|---|---|
Mid PTO | independent |
Clutch | electric |
Dimensions & Tires | |
|---|---|
Wheelbase | 45 inches
114 cm |
Weight | 620 lbs
281 kg |
Front tire | 13x5.0-6 |
Rear tire | 18x9.5-8 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Charging amps | 15 |
Battery CCA | 230 |
Battery volts | 12 |
References | |
|---|---|
 | |
RZT S Steering Wheel Zero-Turn Mowers published in 2012, by Cub Cadet | |
RZT S Series published in 2013, by Cub Cadet |
Engine
Engine Detail — 725 cc / 44.24 ci Gasoline
Manufacturer | Kohler SV730 |
Fuel Type | Gasoline |
Configuration | 2-cylinder, air-cooled vertical-shaft V-Twin |
Displacement | 725 cc
44.24 ci |
Bore/Stroke | 3.27x2.64 inches
83 x 67 mm |
Power (gross) | 25 hp
18.6 kW |
Starter | electric |
Starter volts | 12 |
Oil capacity | 2 qts
1.9 L |
Transmission
Transmission — Hydro-Gear EZT
Transmission | Hydro-Gear EZT |
Type | hydrostatic |
Gears | infinite forward and reverse |
 | |
Dimensions
Cub Cadet RZT S50 Tires | |
|---|---|
Lawn/turf front | 13x5.0-6 |
Lawn/turf rear | 18x9.5-8 |
Dimensions | |
|---|---|
Wheelbase | 45 inches
114 cm |
Length | 80 inches
203 cm |
Height | 36 inches
91 cm |
Weight | 620 lbs
281 kg |
Attachments
50" Mower deck | |
|---|---|
Type | mid-mount Cub Cadet |
3-blade | |
Cutting width | 50 inches
127 cm |
Overall width | 57 inches
144 cm |
Cut height | 1.5 to 4 inch
3 to 10 cm |
Photos
Cub Cadet RZT S50 KH tractor photo
Recommended Implements & Sizing Guide
Engineering recommendations for Cub Cadet Lawn Tractors Cub Cadet RZT S50 KH based on its 25 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 | 5 ft (60 in)1.5 m | Medium Duty | Pasture maintenance and weeds up to 1.5" diameter. |
Rotary TillerSeedbed Prep | 54 to 60 in135 - 150 cm | Medium Duty | Thorough seedbed preparation in orchards and vegetable plots. |
Disc HarrowSecondary Tillage | 5 to 6 ft (16-18" discs)1.5 - 1.8 m (40-45 cm 耙片) | Light Duty | Small acreage soil break-up and secondary aeration. |
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 Cub Cadet Lawn Tractors Cub Cadet RZT S50 KH.
Estimated Continuous Field Runtime: 2.2 hrs
Approximately 2.2 hours of continuous field operation at ~75% rated power on a full tank (2.8 gal / 10.6 L).
Estimated 75% Load Fuel Burn~1.3 gal/hr (4.9 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
Cub Cadet Lawn Tractors Cub Cadet RZT S50 KH Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Cub Cadet Lawn Tractors Cub Cadet RZT S50 KH.
Converted Equivalents:
Horsepower (HP)25 hp
Kilowatts (kW)18.6 kW
Metric Horsepower (PS / CV)25.3 PS
Direct Competitor Comparison
Compare Cub Cadet RZT S50 KH against same-era industry alternatives in the same horsepower class.
Current Model
Cub Cadet Lawn Tractors
Cub Cadet RZT S50 KH
Engine Power:Gasoline (gross): 25 hp / 18.6 kW
★ Baseline Reference
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