Built for Bigger Demands.

A Rugged, Reliable Workhorse Ready for Any Task.

The 2024 KIOTI RX6640 is a high-performing utility tractor that combines power, durability, and operator comfort into one serious work machine. Perfect for everything from commercial operations to tough landowner jobs, the RX6640 boasts a 66 HP KIOTI diesel engine, fully synchronized transmission, and a heavy-lift 3-point hitch—making it ideal for loader work, hay baling, land clearing, and more.

Whether you’re in the field or around the property, the RX6640 delivers professional-grade performance with simplicity and strength.

Features may include:

66 HP Diesel Power
The KIOTI 4-cylinder, turbocharged diesel engine provides consistent horsepower, high torque, and fuel efficiency.

12×12 Fully Synchronized Shuttle Transmission
Smooth shifting and clutchless forward/reverse operation, ideal for front-end loader applications.

Independent PTO
540 RPM PTO with push-button electro-hydraulic engagement, great for running heavy-duty implements.

Heavy-Duty Hitch Capacity
Category II 3-point hitch with up to 3,594 lbs of lift capacity at the ends—capable of handling large implements with ease.

Hydraulic Versatility
Dual remote valves and 16.5 GPM total hydraulic flow support both loader and implement operations.

Comfort-Focused ROPS Platform
Wide, semi-flat operator platform with ergonomic controls, suspension seat, and foldable ROPS for comfort and visibility.

4WD & Power Steering
Standard 4-wheel drive and hydrostatic power steering provide traction and control in all conditions.

Specifications

Year: 2024
Manufacturer: KIOTI
Model Name: RX Series
Trim Name: RX6640
Generic Type (Primary): Utility Tractor

• Engine: KIOTI 4F243T, 4-cylinder turbo diesel

• Horsepower: 66 HP

• Transmission: 12 Forward / 12 Reverse Fully Synchronized Shuttle

• PTO Type: Independent

• PTO HP: Approx. 56 HP

• 3-Point Hitch: Category II, 3,594 lbs lift at hitch ends

• Hydraulic Flow: 16.5 GPM total

• Fuel Tank Capacity: 18.5 gal

• Drive Type: 4WD

• Top Speed: Approx. 18.6 mph

• ROPS: Foldable, open station (Cab model also available)

• Tires: Ag, Industrial, or Turf options available

• Weight: Approx. 5,700 lbs

• Warranty: 2-Year Full / 6-Year Powertrain Limited