Kioti RX6620
The Kioti RX6620 is a tractor produced by Kioti. It is equipped with a 148.6 ci 2.4 L engine. The listed engine power is Diesel (gross): 66 hp / 49.2 kW. Transmission: 12 forward and reverse. Operating weight: 1102 lbs*Weight without bucket 499 kg.
Engine Power
Diesel (gross): 66 hp / 49.2 kW
Fuel & Capacities
22.5 gal
85.2 L
Transmission
12 forward and reverse
Operating Weight
1102 lbs*Weight without bucket
499 kg
Overview
 | 2014 -
RX SeriesUtility tractor |
|---|---|
2014 - | |
RX Series | |
Utility tractor | |
Production | |
|---|---|
Manufacturer | Kioti (a part of Daedong) |
Utility tractor | |
Kioti RX6620 Engine | |
|---|---|
Daedong 2.4L 4-cyl diesel | |
ROPS Fuel tank | 22.5 gal
85.2 L |
Cab Fuel tank | 25 gal
94.6 L |
Engine details ...  | |
Kioti RX6620 Power | |
|---|---|
Engine (gross) | 66 hp
49.2 kW |
PTO (claimed) | 57.6 hp
43.0 kW |
Mechanical | |
|---|---|
Four-wheel drive | |
Differential lock | rear standard |
Steering | hydrostatic power |
Wet discs brakes | |
Two-post foldable ROPS. Cab optional with air-conditioning. | |
Hydraulics | |
|---|---|
Type | open center gear pump |
Valves | 1 to 3 |
Pump flow | 17.9 gpm
67.8 lpm |
Tractor hitch | |
|---|---|
Rear Type | II |
Control | position and draft control |
Rear lift (at 24"/610mm) | 3594 lbs
1630 kg |
Power Take-off (PTO) | |
|---|---|
Rear PTO | independent |
Rear PTO Type | 540/540E (1.375) |
Dimensions & Tires | |
|---|---|
Wheelbase | 82.7 inches
210 cm |
Weight | 5202 to 5798 pounds |
Front tire | 9.5-20 |
Rear tire | 14.9-28 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Battery volts | 12 |
References | |
|---|---|
 | |
RX Series published in 2018, by Kioti |
Engine
Engine Detail — 148.6 ci / 2.4 L Diesel
Manufacturer | Daedong 4F243T |
Configuration | turbocharged diesel, 4-cylinder 8-valve, liquid-cooled inline |
The owners of a 2021 RX6620 reports that his tractor's engine is labeled as a 4HT4. | |
Displacement | 148.6 ci
2.4 L |
Bore/Stroke | 3.425x4.031 inches
87 x 102 mm |
Emissions | Tier IV |
Power (gross) | 66 hp
49.2 kW |
Fuel system | common rail direct injection |
Rated RPM | 2600 |
Starter | electric |
Starter volts | 12 |
Kioti RX6620 Engine | |
|---|---|
 |
Transmission
Transmission options | |
|---|---|
12-speed synchro shuttle | |
12-speed power shuttle |
Transmission — 12 forward and reverse synchro shuttle
Type | synchro shuttle |
Gears | 12 forward and reverse |
Clutch | dry disc |
Transmission — 12 forward and reverse power shuttle
Type | power shuttle |
Gears | 12 forward and reverse |
Clutch | wet disc |
Dimensions
Kioti RX6620 Tires | |
|---|---|
Ag front | 9.5-20 |
Ag rear | 14.9-28 |
Lawn/turf front | 31x13.5-15/8 |
Lawn/turf rear | 44x18-20/4 |
Industrial front | 12.5/80-18 |
Industrial rear | 18.4-24/8 |
Dimensions | |
|---|---|
Wheelbase | 82.7 inches
210 cm |
Length | 145 inches
368 cm |
Width | 70.9 inches (min)
180 cm |
Height (ROPS) | 105.5 inches
267 cm |
Height (cab) | 103.6 inches
263 cm |
ROPS Weight | 5202 lbs
2359 kg |
Cab Weight | 5798 lbs
2629 kg |
Ground clearance | 16.5 inches
41 cm |
Front tread | 57.7 inches
146 cm |
Rear tread | 55.7 inches
141 cm |
Attachments
Attachment overview | |
|---|---|
Front-end loader | |
Backhoe |
Kioti KB2485 Backhoe | |
|---|---|
Backhoe type | Kioti KB2485 Backhoe |
Weight | 1102 lbs*Weight without bucket
499 kg |
Transport height | 92.9 inches
235 cm |
Bucket width | 12 inches
30 cm |
18 inches
45 cm | |
24 inches
60 cm | |
36 inches
91 cm | |
2-Foot flat digging depth | 94.4 inches
239 cm |
Reach from pivot | 136.1 inches
345 cm |
Loading height | 80.3 inches
203 cm |
Bucket Rotation | 180° |
Swing Arc | 180° |
Bucket force | 3748 lbs
1700 kg |
Dipperstick force | 2205 lbs
1000 kg |
Photos
Kioti RX6620 tractor photo
Recommended Implements & Sizing Guide
Engineering recommendations for Kioti RX6620 based on its 66 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 3 to 4 Bottom (16")3 - 4 铧 (40 cm) | Heavy Duty | Suitable for medium loam and stubble turnover. |
Rotary Cutter / MowerMowing & Clearing | 7 to 8 ft (84-96 in)2.1 - 2.4 m | Heavy Duty | Heavy-duty twin spindle cutter for overgrown acreage. |
Rotary TillerSeedbed Prep | 78 to 84 in200 - 215 cm | Heavy Duty | Heavy commercial tiller with multi-speed gearbox. |
Disc HarrowSecondary Tillage | 7 to 8 ft Tandem Disc2.1 - 2.4 m 对开双排耙 | Medium Duty | Field leveling and clod breaking behind plows. |
Hay BalerHay & Forage | 4x4 to 4x5 Round Baler1.2x1.5 m 紧凑圆捆机 | Heavy Duty | Silage and dry hay; 540 RPM PTO with slip-clutch. |
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 Kioti RX6620.
Estimated Continuous Field Runtime: 6.6 hrs
Approximately 6.6 hours of continuous field operation at ~75% rated power on a full tank (22.5 gal / 85.2 L).
Estimated 75% Load Fuel Burn~3.4 gal/hr (13 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
Kioti RX6620 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Kioti RX6620.
Converted Equivalents:
Horsepower (HP)66 hp
Kilowatts (kW)49.2 kW
Metric Horsepower (PS / CV)66.9 PS
Direct Competitor Comparison
Compare Kioti RX6620 against same-era industry alternatives in the same horsepower class.
Current Model
Kioti
Kioti RX6620
Engine Power:Diesel (gross): 66 hp / 49.2 kW
★ Baseline Reference
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