Features & Specs
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- Interim Tier 4-emission certified engine
- Up to 25-percent average, fuel consumption reduction
- Brushless generator converts mechanical energy to electrical energy
- Engine runs at constant rpm
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|Engine Power||171 kW (229 hp) @ 1,700 rpm
|Operating Weight||18 341– 19 099 kg (40,436– 42,106 lb.)
|Bucket Capacity||3.2 m³ (4.25 cu. yd.)
|Breakout Force||13 798–15 440 kg (30,419–34,039 lb.)
Build Your Own
Easy and efficient.
Whether your operators are jobsite veterans or just getting their boots dirty, the 644K Hybrid Loader will make them more productive and efficient. The hybrid-electric powertrain with reduced mechanical complexity delivers amazing responsiveness for efficient stockpiling, ramp climbing, and truck loading. And it consumes an average of 25% less fuel than our conventional 644K Loader with lockup torque converter.* The 644K Hybrid Loader — taking John Deere productivity, uptime, and low daily operating costs to the next level.
*Composite fuel consumption in internal tests across various stockpiling, truck loading, transport, and idle applications.
Your Extended Coverage Warranty provides additional protection that shields you from risk and stress, giving you fixed costs for machine repairs during the warranty period.
Learn More about Extended Warranty
Look up parts quickly and easily using the John Deere Parts Catalog.
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We strive to ensure that John Deere products are of exceptional quality. Safety is our top priority.
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644K Hybrid Loader
When we asked our customers what they wanted in a hybrid loader, the verdict was almost unanimous: a fuel-efficient machine that addresses emission requirements without compromising productivity, ease of operation, and reliability.
Check out the 644K Hybrid's technology
Specifications are based on published information at the time of publication. Specifications are subject to change without notice.