2026 KIOTI RX6640
Key Specs
Engine: KIOTI diesel, 4-cylinder, turbocharged, liquid-cooled
Gross Power: 66.4 HP
PTO Power: ~54.9 HP
Displacement: 148.6 cu in (2.4L)
Fuel Capacity: ~26.4 gal
Transmission: Power Shuttle (12F / 12R)
Drive System: 4WD with differential lock
Hydraulic Flow: ~20.6 GPM
3-Point Hitch: Category 2
Lift Capacity: ~4,300+ lbs
Loader Specs (KL7340)
Lift Capacity: ~3,500+ lbs
Lift Height (Pivot Pin): ~120 in
Breakout Force: ~5,000+ lbs
Bucket Width: 72–84 in Quick-Attach
Features
66 HP utility tractor built for heavy-duty farm and jobsite work
Power shuttle transmission for easy forward/reverse operation (great for loader work)
High-capacity hydraulics for running demanding implements
Rear PTO with 540 / 540E for efficiency and versatility
Heavy-duty frame designed for stability and long-term durability
KIOTI Connect capable for machine monitoring and diagnostics
Operator Comfort
Factory cab available with heat and air conditioning
Suspension seat for all-day comfort
Ergonomic control layout with excellent visibility
Smooth ride with heavy-duty chassis and longer wheelbase
Designed for extended field and loader operation
Why KIOTI?
KIOTI delivers serious utility performance with durability and value. The RX6640 is a true step above the DK and NS series — offering higher horsepower, stronger hydraulics, and significantly more lift capacity, making it ideal for hay work, heavy loader use, and full-scale property or farm operations.
Why ReadyDig?
Every ReadyDig Certified unit is fully inspected and ready to perform
We sell 550+ machines annually nationwide
Competitive financing and nationwide delivery available
Trusted support before and after the sale
Call for pricing and availability
ReadyDig Equipment — Always Ready to Dig. Guaranteed.
*Monthly payment stated above assumes a secured commercial use loan transaction available for highly qualified commercial loan applicants. Actual loan payment amount and terms may vary. Consumer financing not available for consumers residing in Nevada. Additional state restrictions may apply. Equal opportunity lender. Click here for more state licenses and disclosures. NMLS ID: 1857954. VERMONT RESIDENTS: THIS IS A LOAN SOLICITATION ONLY. CurrencyFinance IS NOT THE LENDER. INFORMATION RECEIVED WILL BE SHARED WITH ONE OR MORE THIRD PARTIES IN CONNECTION WITH YOUR LOAN INQUIRY. THE LENDER MAY NOT BE SUBJECT TO ALL VERMONT LENDING LAWS. THE LENDER MAY BE SUBJECT TO FEDERAL LENDING LAWS. CALIFORNIA RESIDENTS: Financing provided or arranged by Express Tech-Financing, LLC dba Currency pursuant to California Finance Lender License #60DBO54873
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