John Deere 300 P‑Tier Excavator – Parts, Specs

Description:

Serial Number Location

The serial number plate is located on the upper-frame near the cab entry, usually on the right side beneath the door or near the operator’s seat. Always verify the serial number to ensure all replacement parts match your machine.

Key Specifications

• Model Years: 2022 – Present

• Engine: John Deere P‑Tier 6-cylinder diesel, Tier 4 Final

• Net Power: 210 hp (157 kW) @ 1,800 rpm

• Operating Weight: 64,000 lb (29,030 kg)

• Fuel Tank Capacity: 110 gal

• Hydraulic System Capacity: 95 gal

• Hydraulic Tank Capacity: 45 gal

• Hydraulic Pump Flow: 230 gpm main + 25 gpm auxiliary

• Hydraulic Pressure: Up to 4,200 psi

• Travel Speed: 3.5 mph (low), 6.0 mph (high)

• Swing Speed: 9.0 rpm

• Tail Swing: Available in conventional or reduced-tail design

• Ground Pressure: Approx. 10 psi

Dimensions

• Overall Length: 39 ft 0 in

• Width: 9 ft 2 in

• Transport Height: 11 ft 0 in

• Ground Clearance: 18 in

• Tail Swing Radius: 5 ft 8 in (reduced); 8 ft 0 in (standard)

• Track Width: 30 in

• Track Gauge: 8 ft 0 in

Working Range

• Max Digging Depth: 27 ft 2 in

• Max Reach at Ground: 40 ft 4 in

• Max Cutting Height: 35 ft 2 in

• Max Dump Height: 29 ft 6 in

Performance & Design Highlights

• Configurable tail swing (conventional or reduced) to suit site needs

• High-flow hydraulic circuit suitable for breakers, crushers, augers

• Dual travel speeds with automatic two-speed travel

• Integrated dozer blade for stability and trench finishing

• Side-by-side dual cooler pack for efficient cleanup and airflow

• Spacious, climate-controlled cab with ergonomic joysticks and optional camera system

• Heavy-duty X-frame undercarriage built for durability in tough conditions

Routine Maintenance

• Engine Oil & Filter: Every 250 hrs

• Fuel Filter: Every 500 hrs

• Hydraulic Oil: Every 3,000 hrs

• Hydraulic Filter: Every 1,000 hrs

• Cooling System: Clean dual coolers every 250 hrs

• Daily Checks: Grease pivot joints, check track tension, inspect hoses and fluid levels, ensure clean cooling package

Common Issues & Fixes

• Hydraulic Hose Wear: Common near couplers—inspect daily and replace proactively

• Track Tension Drift: Adjust using grease fitting to prevent derailment and uneven wear

• Cooling Pack Blockage: Dust buildup can hinder airflow—clean coolers daily

• Slow Hydraulic Response: Frequently caused by clogged filters or degraded fluid—inspect and service promptly

• Control Drift: May require joystick recalibration or lubrication of pivot pins