The John Deere 304K Wheel Loader is a compact yet powerful machine designed for material handling, landscaping, snow removal, and light construction tasks. Known for its reliability, fuel efficiency, and operator comfort, the 304K delivers strong breakout force and smooth hydraulic response in tight jobsite conditions.
Engine & Power
Engine: John Deere PowerTech™ diesel
Displacement: 2.4L (approx. 146 cu in)
Net Power: ~61 hp (45 kW)
Emissions: EPA Tier 4 Final compliant
Transmission
Type: Hydrostatic transmission
Drive: 4WD standard
Features: Smooth direction changes, excellent low-speed control
Hydraulic System
System Type: Open-center hydraulics
Operating Pressure: ~3,300 psi
Pump Type: Gear pump
Key Components: Lift and tilt hydraulic cylinders, control valve assembly
Weak drive response: Check hydrostatic fluid level and filters
Electrical faults: Inspect battery connections and wiring harness near articulation joint
Pro Tips
Keep articulation joint greased to prevent premature pin and bushing wear
Use OEM-spec hydraulic oil to maintain smooth loader response
Address small hydraulic leaks early to avoid pump damage
Serial Number Information
The serial number plate is typically located on the left side of the main frame near the articulation joint. Always verify the serial number before ordering parts to ensure compatibility.
Please call us at 1-800-909-7060 to check availability.
Can’t Find What You’re Looking For?
Our knowledgeable staff will be happy to help you with any of your tractor, backhoe, dozer, or engine parts needs.
Do you need your part quickly? You're in luck! We have warehouses all over the country to ensure a quick and easy delivery time. Most of our parts ship from our warehouses the same day you place your order. And many times, orders are delivered in Two to Three days.
Our in house parts are manufactured following strict quality standards in our warehouse in Ohio. Parts such as hydraulic cylinders, pins, bushings, sheet metal, track adjusters, booms and dipper sticks are all ready to ship same day that they are purchased! With less time to wait for your shipment, you will be able to get back to work as quickly as possible.
Did you accidentally purchase the incorrect part? We offer returns and exchanges here at Broken Tractor. To proceed with a return, please call us toll free, and we will provide you with return authorization and a step by step return process for your convenience. We are more than happy to help you exchange your part for the correct one! Give us a call at 1-800-909-7060 and we would be pleased to help you.