# John Deere 644G **URL:** > This machine has been sold or is not currently for sale. ## Listing details - **Price:** Sold - **Listing ID:** 88942926 - **Manufacturer:** John Deere - **Model:** 644G - **Category:** Wheel Loaders - **Hours:** 1022 - **Serial number:** Not Available - **Location:** Sandy Hook, Mb - **Auction starts:** 2026-09-18 ## Description Enclosed Cab, Air Conditioner, Air Ride Seat, 108 in Bucket, 23.5R25 Tires ## Manufacturer specifications ### Axles And Brakes - **Final Drives (since 2026):** Heavy-duty inboard-mounted planetary - **Optional Differentials Front (since 2026):** Open differential, locking front optional - **Optional Differentials Rear (since 2026):** Open differential, locking front optional - **Parking Brake (ISO 3450) (since 2026):** Automatic spring applied, hydraulically released, driveline mounted, oil cooled, multi disc - **Rear Axle Oscillation, Distance Each Direction (since 2026):** 13.0 degrees - **Rear Axle Oscillation, Stop To Stop (since 2026):** 26.0 degrees - **Service Brakes (ISO 3450) (since 2026):** Hydraulically actuated, spring retracted, self-adjusting, inboard sun-shaft mounted, oil cooled, single disc ### Cooling - **Fan Drive Type (since 2026):** Hydraulically driven, proportionally controlled, fan aft of coolers ### Electrical And Lighting - **Battery Capacity Per Each (since 2026):** 950.0 CCA - **Battery Voltage (since 2026):** 12.0 v - **Standard Alternator Rating (since 2026):** 80.0 amp - **System Type (since 2026):** 24 volt with 80-amp alternator ### Engine - **Air Cleaner (since 2026):** Under-hood, dual-element dry type, restriction indicator in cab monitor for service - **Aspiration (since 2026):** Turbocharged, charge air cooled - **Displacement (since 2026):** 414.0 cu in (6784.26 cu cm) - **Fuel System (Electronically Controlled) (since 2026):** High-pressure common rail - **Lubrication (since 2026):** Full-flow spin-on filter and integral cooler - **Manufacturer (since 2026):** John Deere - **Net Peak Power (since 2026):** 1700.0 rpm - **Net Peak Power At Rated RPM (ISO 9249) (since 2026):** 235.0 hp (175.24 kw) - **Net Peak Torque (since 2026):** 1400.0 rpm - **Net Peak Torque At Rated RPM (ISO 9249) (since 2026):** 755.0 lbs ft (1023.63 nm) - **Non-Road Emission Standards (since 2026):** EPA Final Tier 4/EU Stage V ### General Specifications - **Bucket Capacity (since 2021):** 4.0–4.25 (3.1–3.25) - **Bucket Capacity (since 2025):** 4.0–4.25 - **Engine Power (since 2021):** 227 (169) - **Engine Power Net (since 2025):** 227 hp (169.28 kw) - **Engine type (since 2021):** Deere PVS 6068H - **Engine type (since 2022):** Deere PowerTech PVS 6068H - **Max Dump Height (since 2021):** 9.8 (3.0) - **Max Dump Height (since 2024):** 9.8 (3.00) - **Max Dump Height (since 2025):** 9.8 ft (2.99 m) - **Operating Weight (since 2021):** 39,537–41,209 (17 934–18 692) - **Operating Weight (since 2022):** 39,537–41,209 (17,934–18,692) - **Operating Weight (since 2025):** 39,537–41,209 - **OperatingWeight (since 2026):** 39,537–41,209 ### Hydraulic System And Steering - **Hydraulic Dump Cycle Time (since 2026):** 1.5 s - **Hydraulic Lower (Power Down) Cycle Time (since 2026):** 3.2 s - **Hydraulic Raise Cycle Time (since 2026):** 5.2 s - **Hydraulic Total Cycle Time (since 2026):** 9.9 s - **Loader Controls (since 2026):** 2-function valve; joystick control or fingertip controls (field kit); hydraulic-function enable/disable; optional 3rd-function valve with auxiliary lever - **Max Rated Flow At Rated RPM (since 2026):** 87.0 gpm (329.3 lpm) - **Pump Type And System (Loader And Steering) (since 2026):** Variable-displacement, axial-piston pump; closed-center, pressure-compensating system - **Rated RPM (since 2026):** 2250.0 rpm - **Steering Articulation Angle Each Direction (since 2026):** 40.0 degrees - **Steering Articulation Full Arc Angle (since 2026):** 80.0 degrees - **Steering Type (ISO 5010) (since 2026):** Power, fully hydraulic - **System Pressure At Max Rated Flow (since 2026):** 3350.0 psi - **Turning Radius (Measured To Centerline Of Outside Tire) (since 2026):** 18.25 ft, in. ### Key Specs - **Net Peak Power (since 2026):** 1700.0 rpm - **Net Peak Power At Rated RPM (ISO 9249) (since 2026):** 235.0 hp (175.24 kw) - **Net Peak Torque (since 2026):** 1400.0 rpm - **Net Peak Torque At Rated RPM (ISO 9249) (since 2026):** 755.0 lbs ft (1023.63 nm) ### Serviceability - **Axle Oil Without Coolers (Front And Rear, Each) Refill Capacity (since 2026):** 6.6 gal (24.98 l) - **Cooling System Refill Capacity (since 2026):** 31.7 qt - **Engine Oil With Vertical Spin-On Filter Refill Capacity (since 2026):** 22.2 qt - **Fuel Tank (With Lockable Cap) Refill Capacity (since 2026):** 79.3 gal (300.15 l) - **Hydraulic Reservoir With Filter Refill Capacity (since 2026):** 26.4 gal (99.92 l) - **Parking Brake Oil (Wet Disc) Refill Capacity (since 2026):** 22.0 oz. - **Transmission Reservoir With Vertical Filter Refill Capacity (since 2026):** 6.6 gal (24.98 l) ### Transmission System - **Operator Interface (since 2026):** Joystick-mounted F-N-R; Quick-Shift button on hydraulic lever - **Shift Control (since 2026):** Electronically modulated, adaptive, load and speed dependent - **Shift Modes (since 2026):** Manual/auto (1st–D or 2nd–D); Quick-Shift button with 2 selectable modes: kick-down or kick-up/down; and 3 adjustable clutch cutoff settings - **Torque Converter (since 2026):** Single stage, single phase - **Type (since 2026):** Countershaft-type PowerShift™ ### Wheels And Tires - **Tread Width On Standard Tires (since 2026):** 85.4 in (216.92 cm) - **Width Over Tires On Standard Tires (since 2026):** 108.9 in (276.61 cm) ## Photos ![John Deere 644G](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/22609/64/d8f650ed-3c49-4fea-bb03-c24a9185731e-hr.jpg) ![John Deere 644G photo 2](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/22609/64/2ee556e5-ea9c-35f7-a84a-51876a4bf5c3-hr.jpg) ![John Deere 644G photo 3](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/22609/64/00c2bf5f-8605-34e4-99bc-d0a1cbe36b68-hr.jpg) ![John Deere 644G photo 4](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/22609/64/c134f2df-13ef-386d-9e96-700bb3c6b058-hr.jpg) ![John Deere 644G photo 5](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/22609/64/05a8212f-a612-3cd4-b893-c1ca22c0d3a9-hr.jpg) ![John Deere 644G photo 6](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/22609/64/eb534748-7359-4611-b3a8-16b8822a0ed2-hr.jpg)