John Deere introduces new 8R and 8RX tractors with up to 540 hp.

John Deere has announced the launch of six new 8R and 8RX models with power options up to 540 hp in the United States. The new generation expands the power range with versions of 440 hp, 490 hp, and 540 hp.

The manufacturer has been developing the 8 series for over 30 years. The company redesigned the new models based on customer demands. The increased power output addresses the search for greater operational capacity.

According to Michael Porter, John Deere's large tractor marketing manager, the new models allow planting up to 1.200 acres per day in short weather windows. The tractors operate with planters with more than 24 rows, large grain trailers, and medium seeders.

The tractors leave the factory prepared for autonomous soil preparation operations. The cab integrates a G5Plus monitor. The system accesses technologies such as AutoTrac Turn Automation, AutoTrac Implement Guidance, and AutoPath. The models feature Machine Sync and the option of JDLink Boost connectivity for capturing field and machine data.

JD14 engine

The 8R and 8RX models utilize the JD14 engine. The assembly delivers maximum power on demand. The Intelligent Power Management system has evolved with the option of peak power. This feature releases an additional 40 hp at 1.900 rpm and maintains maximum power up to 1.700 rpm. The system achieves up to 634 hp in hydraulic, PTO, transport, or external electrical supply applications.

The line incorporates an engine brake option. This feature reduces the need to use the main braking system. The solution enhances control when transporting heavy loads and on inclines.

Hydraulic system

The hydraulic system has gained greater pumping capacity. The design separates the power steering and brake pumps. The front axle received an upgrade to the Independent Link Suspension. The assembly supports greater weight and includes roll control. The vehicle reaches 60 km/h in transport.

The rear lift supports 24 pounds. The active downforce system maintains a constant depth on mounted implements. The rear PTO offers a 1.300 rpm option. The model accepts front hitch and front PTO.

The Reactive Command Steering system automatically centers the steering wheel. The operator chooses three settings. The narrow chassis allows for a reduced turning radius. The manufacturer reports a turning radius more than 6 feet smaller than competitors.

The Electric Variable Transmission allows for the supply of electrical power to electrically driven planters. The operator connects the implement using a single plug. The line features new CommandX, CommandX Plus, and CommandX Pro controls. The system includes push-button start with PIN access.

Acceleration controls

The cabin includes new engine throttle controls and a convenience display for adjusting the radio, air conditioning, seat, and phone. The design incorporates an inductive cell phone charger, independent electric armrest adjustment, and an option for a power-operated door.

The engine oil, coolant, and hydraulic fluid gauges are at eye level. The air filter and fuel and AdBlue fillers are located from the ground. The hydraulic oil change interval has been extended from 1.500 to 2.000 hours. The windshield wiper now has a 330º sweep. The main battery switch and jump start are located next to the door.