# 2018 John Deere 644K for Sale in Williston, VT **URL:** ## Listing details - **Price:** $59,000.00 USD - **Listing ID:** 85454856 - **Year:** 2018 - **Manufacturer:** John Deere - **Model:** 644K - **Category:** Wheel Loaders - **Serial number:** 1DW644KZHJF687948 - **Stock number:** 405756 - **Location:** Williston, VT ## Description Cab w/ AC, Heated Seat; Aux Hydraulics, Quick Coupler; Ride Control, Front Diff Lock; 23.5 Tires, Radials; Less Bucket; Rear Camera ## Machine details ### General Specifications - **Operators Station:** Cab w/ AC - **Options:** Rear Camera - **Attachments:** Quick Coupler - **Powertrain:** Front Diff Lock - **Tires:** Radials - **Buckets:** Less Bucket ## Manufacturer specifications ### Bucket - **Breakout - Bucket:** 15378 (33903) kgf (lbf) - **Bucket Capacity - Smallest:** 4.06 cu yd - **Largest Bucket Capacity:** 4.19 cu yd ### Capacities - **Heaped Capacity:** 4.2 cu yd - **Hydraulic Tank:** 27.8 gal (105.22 l) - **Transmission:** 6.1 gal (23.09 l) ### Dimensions - **Ground Clearance:** 18.15 in (46.1 cm) - **Height:** 11.25 ft (3.43 m) - **Height Over Cab:** 11.26 ft (3.43 m) - **Hinge Pin - Max Height:** 13.52 ft (4.12 m) - **Length:** 26.5833 ft (8.1 m) - **Length With Bucket On Ground:** 27.24 ft (8.3 m) - **Reach At Max Lift And Dump:** 5.29 ft (1.61 m) - **Turning Circle:** 43.57 ft (13.28 m) - **Weight:** 40799 lbs (18506.14 kg) - **Wheelbase:** 10.7 ft (3.26 m) - **Width:** 9.5 ft (2.9 m) - **Width Over Tires:** 9.44 ft (2.88 m) ### Driveline - **Differential Lock:** Front- Locking, Rear- Open - **Parking Brake Type:** Wet Multi Disc - Transmission - **Ride Control System:** Optional - **Service Brake - Location:** Axle Inboard - **Service Brake Actuation:** Hydraulic - **Service Brake Type:** Wet Disc - **Tire Size - Standard:** 23.5 R25 ### Engine - **Alternator:** 130 amps - **Displacement:** 549.3 cu in (9001.43 cu cm) - **Emission Level:** Tier 4 - **Engine Make:** John Deere - **Engine Model:** PowerTech PSS 6090 - **Engine Output-Net:** 232 hp (173.01 kw) - **Pump:** Piston - **Rated Speed:** 1700 rpm - **System Voltage:** 24 V - **Torque:** 783.3 lbs ft (1062 nm) - **Torque Rise:** 56 % - **Transmission Type:** Powershift ### General Specifications - **Bucket Capacity (since 2016):** 4.0 (3.1) - **Bucket Capacity (since 2019):** 4.0 - 4.25 (3.1 - 3.2) - **Engine Power (since 2016):** 232 (173) - **Engine type (since 2016):** Deere PowerTech PSX 6090 - **Engine type (since 2017):** Deere PSX 6090 - **Max Dump Height (since 2016):** 9.5 (2.9) - **Max Dump Height (since 2019):** 9.7 (2.9) - **Operating Weight (since 2016):** 41,188 (18,682) ### Operational - **Front Axle/Diff Fluid Capacity:** 5.9 gal (22.33 l) - **Fuel Capacity:** 104.9 gal (397.05 l) - **Operating Weight:** 41186.8 lbs (18678.82 kg) - **Rear Axle/Diff Fluid Capacity:** 5.9 gal (22.33 l) ### Transmission - **Pump Flow:** 78.5 gpm (297.12 lpm) - **System Pressure:** 251.7 psi ## About this model The John Deere 644K is a wheel loader designed for material handling, loading, stockpiling, and general construction applications. It is part of John Deere's K-Series lineup and is commonly used in aggregate yards, roadbuilding, site development, and industrial material movement. The 644K features a front-mounted bucket, articulated steering, and a diesel powertrain configured for loader duty cycles. Typical uses include loading trucks, moving bulk materials, and supporting earthmoving operations. As a wheel loader, the 644K is built for maneuverability, cycle efficiency, and operator visibility in demanding jobsite conditions. ## Photos ![2018 John Deere 644K](https://photos.machinefinder.com/85/11566885/78317217_large_61399.jpg) ![2018 John Deere 644K photo 2](https://photos.machinefinder.com/85/11566885/78317213_large_54595.jpg) ![2018 John Deere 644K photo 3](https://photos.machinefinder.com/85/11566885/78317239_large_15465.jpg) ![2018 John Deere 644K photo 4](https://photos.machinefinder.com/85/11566885/78317248_large_39218.jpg) ![2018 John Deere 644K photo 5](https://photos.machinefinder.com/85/11566885/78323177_large_14392.jpg) ![2018 John Deere 644K photo 6](https://photos.machinefinder.com/85/11566885/78317207_large_16983.jpg) ![2018 John Deere 644K photo 7](https://photos.machinefinder.com/85/11566885/78317236_large_8061.jpg) ![2018 John Deere 644K photo 8](https://photos.machinefinder.com/85/11566885/78323223_large_32471.jpg) ![2018 John Deere 644K photo 9](https://photos.machinefinder.com/85/11566885/78324978_large_13166.jpg) ![2018 John Deere 644K photo 10](https://photos.machinefinder.com/85/11566885/78324980_large_46267.jpg) ![2018 John Deere 644K photo 11](https://photos.machinefinder.com/85/11566885/78325003_large_27292.jpg) ![2018 John Deere 644K photo 12](https://photos.machinefinder.com/85/11566885/78325002_large_73868.jpg) ![2018 John Deere 644K photo 13](https://photos.machinefinder.com/85/11566885/78324995_large_30627.jpg) ![2018 John Deere 644K photo 14](https://photos.machinefinder.com/85/11566885/78324996_large_25236.jpg) ![2018 John Deere 644K photo 15](https://photos.machinefinder.com/85/11566885/78324994_large_71584.jpg) ![2018 John Deere 644K photo 16](https://photos.machinefinder.com/85/11566885/78324983_large_76082.jpg) ![2018 John Deere 644K photo 17](https://photos.machinefinder.com/85/11566885/78324984_large_6654.jpg) ![2018 John Deere 644K photo 18](https://photos.machinefinder.com/85/11566885/78324985_large_61848.jpg) ![2018 John Deere 644K photo 19](https://photos.machinefinder.com/85/11566885/78324988_large_58960.jpg) ![2018 John Deere 644K photo 20](https://photos.machinefinder.com/85/11566885/78324990_large_90353.jpg) ![2018 John Deere 644K photo 21](https://photos.machinefinder.com/85/11566885/78324992_large_89088.jpg) ![2018 John Deere 644K photo 22](https://photos.machinefinder.com/85/11566885/78325008_large_68479.jpg) ![2018 John Deere 644K photo 23](https://photos.machinefinder.com/85/11566885/78325009_large_82571.jpg) ![2018 John Deere 644K photo 24](https://photos.machinefinder.com/85/11566885/78325010_large_32063.jpg) ![2018 John Deere 644K photo 25](https://photos.machinefinder.com/85/11566885/78325006_large_91018.jpg) ![2018 John Deere 644K photo 26](https://photos.machinefinder.com/85/11566885/78325011_large_21257.jpg) ![2018 John Deere 644K photo 27](https://photos.machinefinder.com/85/11566885/78325013_large_15177.jpg) ![2018 John Deere 644K photo 28](https://photos.machinefinder.com/85/11566885/78325015_large_27212.jpg) ![2018 John Deere 644K photo 29](https://photos.machinefinder.com/85/11566885/78325016_large_49243.jpg) ![2018 John Deere 644K photo 30](https://photos.machinefinder.com/85/11566885/78325001_large_26516.jpg) ![2018 John Deere 644K photo 31](https://photos.machinefinder.com/85/11566885/78325014_large_72559.jpg) ![2018 John Deere 644K photo 32](https://photos.machinefinder.com/85/11566885/78325004_large_55657.jpg) ![2018 John Deere 644K photo 33](https://photos.machinefinder.com/85/11566885/78324979_large_44297.jpg) ![2018 John Deere 644K photo 34](https://photos.machinefinder.com/85/11566885/78324998_large_69698.jpg)