# 2022 John Deere 644 P-TIER **URL:** > This machine has been sold or is not currently for sale. ## Listing details - **Price:** Sold - **Listing ID:** 89505723 - **Year:** 2022 - **Manufacturer:** John Deere - **Model:** 644 P-TIER - **Category:** Wheel Loaders - **Hours:** 13816 - **Serial number:** 1DW644PAKMLZ13096 - **Location:** Orlando, Fl - **Auction starts:** 2026-11-19 ## Description Located in Lane 400 Spot 1, Enclosed Cab, Air Conditioner, Rear View Camera, Air Ride Seat, Ride Control, Traction Control, 2021 US EPA Label, Requires Diesel Exhaust Fluid, Hydraulic Coupler, 116 in Bucket, 23.5-25 Tires Closing Time: 2026-11-19 07:00:00 PM ## Manufacturer specifications ### Axles And Brakes - **Final Drives (since 2026):** Heavy-duty inboard-mounted planetary - **Optional Differentials Front (since 2026):** Dual locking - **Optional Differentials Rear (since 2026):** Dual locking - **Parking Brake (ISO 3450) (since 2026):** Automatic spring applied, hydraulically released, driveline mounted, oil cooled, multi disc - **Service Brakes (ISO 3450) (since 2026):** Hydraulically actuated, inboard sun-shaft mounted, oil cooled, self adjusting, single disc - **Standard Differentials Front (since 2026):** Hydraulic locking - **Standard Differentials Rear (since 2026):** Conventional ### 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):** 24.0 v - **Number Of Batteries (since 2026):** 2 - **Optional Alternator Rating (since 2026):** 140.0 amp - **Standard Alternator Rating (since 2026):** 100.0 amp - **System Type (since 2026):** 24 volt with 100-amp alternator ### Engine - **Air Cleaner (since 2026):** Under-hood, dual-element dry type, restriction indicator in cab monitor for service - **Aspiration (since 2026):** Series turbocharged, charge air cooled - **Cylinders (since 2026):** 6 - **Displacement (since 2026):** 415.0 cu in (6800.65 cu cm) - **Fuel System (Electronically Controlled) (since 2026):** High-pressure common rail - **Gross Peak Power At Rated RPM (ISO 9249) (since 2026):** 260.0 hp (193.89 kw) - **Gross Peak Torque At Rated RPM (ISO 9249) (since 2026):** 811.0 lbs ft (1099.55 nm) - **Lubrication (since 2026):** Full-flow spin-on filter and integral cooler - **Manufacturer (since 2026):** John Deere - **Net Peak Power At Rated RPM (ISO 9249) (since 2026):** 249.0 hp (185.68 kw) - **Net Peak Torque At Rated RPM (ISO 9249) (since 2026):** 783.0 lbs ft (1061.59 nm) - **Net Torque Rise (since 2026):** 58.0 % - **Non-Road Emission Standards (since 2026):** EPA Final Tier 4/EU Stage V - **Valves Per Cylinder (since 2026):** 4 ### General Specifications - **Bucket Capacity (since 2021):** 4.0–4.75 (3.1–3.6) - **Bucket Capacity (since 2025):** 4.0–4.75 - **Engine Power (since 2021):** 249 hp (185.68 kw) - **Engine Power Net (since 2025):** 249 hp (185.68 kw) - **Engine type (since 2021):** Deere PSS 6068 - **Engine type (since 2022):** Deere PowerTech PSS 6068 - **Max Dump Height (since 2021):** 9.4 ft (2.87 m) - **Operating Weight (since 2021):** 41,246–42,913 (18 709–19 465) - **Operating Weight (since 2022):** 41,246–42,913 (18,709–19,465) - **Operating Weight (since 2024):** 41,246–42,307 (18 709–19 190) - **Operating Weight (since 2025):** 41,246–42,913 - **OperatingWeight (since 2026):** 41,246–42,913 ### Hydraulic System And Steering - **Hydraulic Dump Cycle Time (since 2026):** 1.4 s - **Hydraulic Lower (Power Down) Cycle Time (since 2026):** 3.8 s - **Hydraulic Raise Cycle Time (since 2026):** 5.3 s - **Hydraulic Total Cycle Time (since 2026):** 10.5 s - **Loader Controls (since 2026):** Two-function valve; joystick control or fingertip controls; hydraulic-function enable/disable; optional 3rd- and 4th-function valve with auxiliary lever - **Max Rated Flow At Rated RPM (since 2026):** 82.0 gpm (310.37 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):** 1000.0 psi - **System Relief Pressure (Loader And Steering) (since 2026):** 3650.0 psi - **Turning Radius (Measured To Centerline Of Outside Tire) (since 2026):** 18.5 ft, in. ### Key Specs - **Net Peak Power At Rated RPM (ISO 9249) (since 2026):** 249.0 hp (185.68 kw) - **Net Peak Torque At Rated RPM (ISO 9249) (since 2026):** 783.0 lbs ft (1061.59 nm) ### Maximum Forward Travel Speeds (Standard 5-Speed With Lockup Torque Converter) - **Range 1 (since 2026):** 4.4 mph (7.08 kph) - **Range 2 (since 2026):** 7.5 mph (12.07 kph) - **Range 3 (since 2026):** 12.7 mph (20.44 kph) - **Range 4 (since 2026):** 15.3 mph (24.62 kph) - **Tire Size Used To Measure Travel Speeds (since 2026):** 23.5 R 25 ### Serviceability - **Axle Oil Without Coolers (Front And Rear, Each) Refill Capacity (since 2026):** 5.75 gal (21.76 l) - **Cooling System Refill Capacity (since 2026):** 47.0 qt - **Diesel-Exhaust Fluid (DEF) Refill Capacity (since 2026):** 19.5 qt - **Engine Oil With Vertical Spin-On Filter Refill Capacity (since 2026):** 28.5 qt - **Fuel Tank (With Lockable Cap) Refill Capacity (since 2026):** 92.6 gal (350.49 l) - **Hydraulic Reservoir With Filter Refill Capacity (since 2026):** 27.8 gal (105.22 l) - **Parking Brake Oil (Wet Disc) Refill Capacity (since 2026):** 22.0 oz. - **Transmission Reservoir With Vertical Filter Refill Capacity (since 2026):** 6.0 gal (22.71 l) ### Transmission System - **Operator Interface (since 2026):** Steering-column or joystick-mounted F-N-R and gear-select lever; 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 two selectable modes: kick-down or kick-up/down; and four 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):** 113.2 in (287.53 cm) ## About this model John Deere 644 P-TIER wheel loader is a mid-size articulated loader designed for material handling, aggregate, construction, and site preparation applications. It features a powerful diesel engine, hydrostatic or power shift drivetrain depending on configuration, and a Z-bar loader linkage for efficient bucket breakout and loading performance. The 644 P-TIER includes a spacious operator cab, integrated controls, and visibility-focused design for productive operation in demanding environments. Common attachments and bucket options support versatility across loading, stockpiling, and truck loading tasks. The model is part of John Deere's P-TIER wheel loader lineup, built for durability, service access, and consistent cycle performance. ## Photos ![2022 John Deere 644 P-TIER](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/22572/29/113dd046-cd73-408c-82fa-3947ef0292c7-hr.jpg) ![2022 John Deere 644 P-TIER photo 2](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/22572/29/dfca92c5-5057-43ce-9cd9-2de278a27d66-hr.jpg) ![2022 John Deere 644 P-TIER photo 3](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/22572/29/35150395-3846-4881-80aa-13d1320712b4-hr.jpg) ![2022 John Deere 644 P-TIER photo 4](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/22572/29/be05f663-ca1c-4135-8e50-83151ebebba7-hr.jpg) ![2022 John Deere 644 P-TIER photo 5](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/22572/29/92ced5bf-ef7c-4ba6-bb5a-d63b9d88251b-hr.jpg) ![2022 John Deere 644 P-TIER photo 6](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/22572/29/39a01356-a6e2-4797-8b59-704e724b126b-hr.jpg) ![2022 John Deere 644 P-TIER photo 7](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/22572/29/536211fc-d01a-4593-bafb-bdae46638017-hr.jpg) ![2022 John Deere 644 P-TIER photo 8](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/22572/29/38ea372b-90c6-4a80-9761-bf9f687d9e0d-hr.jpg) ![2022 John Deere 644 P-TIER photo 9](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/22572/29/a55e4c85-1b76-46eb-a34f-8a91f53f9804-hr.jpg) ![2022 John Deere 644 P-TIER photo 10](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/22572/29/f08104b6-782a-4660-99bf-0acf667392fc-hr.jpg) ![2022 John Deere 644 P-TIER photo 11](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/22572/29/f9c0711a-895c-4f1d-8d29-c31cf84dc461-hr.jpg)