The Biggest John Deere Track Tractor Yet: 9RX 640
Weighing in at 56,981 lbs (base weight) and 691 max engine horsepower, the 9RX 640 is John Deere’s biggest and most powerful 4-track tractor. To highlight the 9RX 640, Matt Aeschleman Jr, Prairie State Tractor Sales Consultant, reviewed the tractor and new updates coming to it for Model Year 2023.
More Details on the New JD14 Engine to Replace Cummins in 2023
You get real-world power with the purpose-built JD14 (13.6L/827-cu in.) engines from John Deere Power Systems, standard in Model Year 2023 John Deere 9RX 640 and 9 Series Tractors.
John Deere developed their newest power plant from a clean sheet of paper, starting with stronger castings, beefier bearings, and more robust internal components, all designed to meet the high demands of field operations. They replaced the fuel injectors with a high-pressure common rail (HPCR) fuel system and eliminated the diesel particulate filter (DPF) to boost fuel efficiency and lower operation and maintenance costs. Integrated coolant and oil passages, along with a new belt-driven water pump, eliminate potential leak points and allow for a less-crowded engine compartment, improving serviceability and reducing debris accumulation.
In redesigning the engine, John Deere also gave it:
- Hydraulic valve lash adjusters to maintain valve-lash settings during engine operation, reduce valve train noise and wear, and allow for greater fuel efficiency.
- A hydraulic fan drive for improved cooling capacity with no required maintenance.
- A new integrated wiring harness design featuring a modular layout for reduced vibration, greater reliability, and easier service and diagnostics.
- A rear gear train that integrates fully into the cast-iron block, reducing tiresome engine noise and improving the durability of the crankshaft damper.
- Combination sensors where possible, meaning fewer sensors, connectors, and wires.
- A powerful engine brake that allows operators to use the engine to control tractor and implement speeds while transporting or traveling downhill, reducing wear on the drivetrain brake components.
It all adds up to:
- 14 percent more power and 11 percent more torque
- 3 percent lower fuel consumption
- 10 percent lighter
- 13 percent reduction in mean repair time and an estimated $8,308 savings in service costs over the life of the engine
About Prairie State Tractor
We are an authorized full-service John Deere dealer in Illinois. With locations in Dixon, Freeport, Geneseo, Lacon, Mendota, Pontiac, Princeton, and Streator, we are equipped to assist you with all your John Deere equipment, parts, service, and precision farming needs. Contact us or visit any one of our dealerships today.
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