Detailed Specifications and Performance Features of the John Deere 350D Dump Truck

Detailed Specifications and Performance Features of the John Deere 350D Dump Truck

john deere 350d dump truck specs

The John Deere 350D dump truck delivers a robust engine output of 350 horsepower, ensuring reliable power for heavy-duty hauling tasks. Its operating weight of approximately 45,000 pounds balances strength with maneuverability on rugged job sites.

Equipped with a 12 cubic yard capacity dump body, the 350D maximizes load volume while maintaining stability during transport. The truck features advanced hydraulic systems capable of rapid dump cycles, improving cycle time and operational productivity.

With a fuel tank capacity near 100 gallons, this model supports extended work shifts with minimal refueling interruptions. The drivetrain utilizes a proven all-wheel drive system for superior traction on uneven terrain, enhancing site accessibility and safety.

John Deere 350D Dump Truck Specs Detailed Practical Overview

The John Deere 350D dump truck delivers 260 horsepower from its turbocharged 6.8L diesel engine, providing reliable power for heavy-duty hauling tasks. Its operating weight reaches approximately 36,500 kg (80,400 lbs), supporting a payload capacity near 15,000 kg (33,000 lbs), making it well-suited for demanding job sites.

The transmission features an automatic Powershift system with 6 forward and 3 reverse speeds, ensuring smooth gear changes and improved fuel efficiency. The 350D’s suspension uses heavy-duty coil springs combined with hydraulic shock absorbers to maintain stability and comfort across rough terrain.

This model includes a 5.7 cubic meter (7.4 cubic yard) capacity dump body, optimized for quick load dumping with hydraulic lift cylinders capable of lifting loads in under 10 seconds. The dump angle of 50 degrees facilitates efficient material discharge without manual intervention.

Fuel capacity is set at 330 liters (87 gallons), allowing extended operation between refueling stops. Its cooling system incorporates a high-capacity radiator and an automatic reversing fan to reduce debris buildup and maintain optimal engine temperature.

Steering is power-assisted with a turning radius of approximately 7.8 meters (25.6 feet), enabling tight maneuvers on confined sites. Braking employs a wet-disc system on all wheels for consistent stopping power under load.

Operator comfort includes an adjustable air suspension seat, climate control, and a spacious cab with clear visibility. Instrumentation provides real-time diagnostics and engine monitoring to facilitate maintenance planning and reduce downtime.

Engine Performance and Fuel Consumption of John Deere 350D Dump Truck

The John Deere 350D dump truck is equipped with a John Deere PowerTech™ 6.8L diesel engine delivering 300 horsepower at 2200 RPM. This engine provides a torque peak of 1116 Nm, ensuring strong pulling power and consistent performance under heavy loads.

Fuel consumption averages around 26 liters per hour during typical hauling operations. This rate varies depending on terrain and load weight but remains competitive for machines in this class. Efficient fuel delivery and electronic engine management optimize combustion, reducing unnecessary fuel use.

The engine features an advanced cooling system to maintain optimal operating temperature, which supports steady power output and prevents overheating during extended shifts. Its turbocharged design boosts air intake, improving combustion efficiency and responsiveness.

Operators benefit from smooth throttle response and reliable power throughout the RPM range, enabling precise control over speed and load handling. Routine maintenance, including regular fuel filter and air intake cleaning, helps maintain consistent fuel efficiency.

Overall, the 350D’s engine balances robust power with controlled fuel usage, making it suitable for demanding construction and mining environments without excessive fuel costs.

Load Capacity and Tire Options for John Deere 350D Dump Truck

john deere 350d dump truck specs

The John Deere 350D dump truck offers a maximum payload capacity of approximately 35 tons (31,750 kg), making it well-suited for heavy-duty hauling tasks on construction and mining sites.

Its robust chassis supports this load while maintaining stability and maneuverability across rough terrain. Proper tire selection is key to optimizing performance and longevity under such loads.

  • Standard Tires: The 350D typically comes equipped with 23.5R25 radial tires, which balance durability and traction.
  • Optional Tires: For more demanding conditions, the machine supports 26.5R25 tires that increase ground contact area, improving flotation in soft or uneven surfaces.
  • Tire Types: Available options include radial and bias-ply tires, with radial tires providing better wear resistance and ride comfort under heavy loads.

When selecting tires, consider the following:

  1. Match tire load rating to the truck’s maximum payload to avoid premature wear or failure.
  2. Choose tread patterns designed for the specific terrain, such as lug patterns for rocky areas or block tread for mud and loose soil.
  3. Maintain proper tire pressure according to load and operating conditions to ensure optimal traction and extend tire life.

Combining the 350D’s 35-ton load capacity with appropriate tire options enhances operational efficiency and reduces downtime caused by tire-related issues.

Hydraulic System Specifications and Maintenance Guidelines for John Deere 350D

The John Deere 350D dump truck features a closed-center, load-sensing hydraulic system delivering a maximum flow rate of 140 liters per minute (37 gallons per minute) at 3,000 psi (pounds per square inch) pressure. This setup ensures smooth operation of the dump bed and steering functions.

Use John Deere-approved hydraulic fluid with a viscosity range of ISO 46 to maintain optimal system performance. The system holds approximately 90 liters (24 gallons) of hydraulic fluid, stored in a sealed reservoir to prevent contamination.

Replace hydraulic filters every 500 hours or sooner if contamination indicators appear. Use genuine John Deere filters to preserve system integrity and prevent premature wear of components.

Inspect hydraulic hoses and fittings regularly for signs of abrasion, leaks, or swelling. Replace damaged parts immediately to avoid system failure and downtime.

Maintain cleanliness when refilling or topping off the hydraulic reservoir. Use a clean funnel and filter hydraulic fluid before adding it to prevent dirt and moisture entry.

Monitor hydraulic system temperature during operation. Ideal operating temperature ranges between 40°C and 80°C (104°F to 176°F). Avoid extended operation above 90°C (194°F) to prevent fluid degradation and component damage.

Perform periodic system pressure checks to verify pump output and valve function. Consult the operator’s manual for specific pressure test points and acceptable ranges.

Flush and replace hydraulic fluid every 2,000 hours or every two years, whichever comes first, to maintain system responsiveness and prevent internal corrosion.

Use the onboard diagnostic system to detect hydraulic faults early. Address warnings promptly to minimize repair costs and maintain machine reliability.