John Deere 345 P‑Tier Excavator – Parts, Specs

Description:

Serial Number Location

Typically located on the upper frame near the right-side cab door or adjacent to the operator’s seat. Always verify this number before ordering parts to ensure exact match.

Key Specifications

• Model Years: 2022 – Present

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

• Net Power: 278 hp (207 kW) @ 1,800 rpm

• Operating Weight: 74,200 lb (33,650 kg)

• Fuel Tank Capacity: 150 gal

• Hydraulic System Capacity: 140 gal

• Hydraulic Tank Capacity: 60 gal

• Hydraulic Pump Flow: 260 gpm main + 30 gpm auxiliary

• Hydraulic Pressure: Up to 4,200 psi

• Travel Speed: 3.0 mph (low), 5.5 mph (high)

• Swing Speed: 9.0 rpm

• Tail Swing: Conventional or reduced-tail options available

• Ground Pressure: Approx. 10.8 psi

Dimensions

• Overall Length: 40 ft 0 in

• Width: 9 ft 6 in

• Transport Height: 11 ft 2 in

• Ground Clearance: 18 in

• Tail Swing Radius: 5 ft 10 in (reduced); 8 ft 6 in (standard)

• Track Width: 30 in

• Track Gauge: 8 ft 4 in

Working Range

• Max Digging Depth: 29 ft 6 in

• Max Reach at Ground: 43 ft 0 in

• Max Cutting Height: 37 ft 2 in

• Max Dump Height: 32 ft

Performance & Design Highlights

• Choice of conventional or reduced tail swing based on operational needs

• High-flow hydraulic circuit for breakers, crushers, and deep-reach attachments

• Dual travel speeds with automatic shifting enhance mobility

• Integrated dozer blade improves digging stability and backfilling control

• Dual, side-mounted radiator and cooler packs for efficient cooling under heavy load

• Spacious climate-controlled cab with ergonomic joystick controls and optional rear cameras

• Heavy-duty X‑frame undercarriage built for rugged job site conditions

Routine Maintenance

• Engine Oil & Filter: Every 250 hrs

• Fuel Filter: Every 500 hrs

• Hydraulic Oil: Replace every 3,000 hrs

• Hydraulic Filter: Replace every 1,000 hrs

• Cooling System: Clean coolers and radiators every 250 hrs

• Daily Checks: Grease swing and boom pivots, check track tension, inspect hoses and fluid levels, clean cooling components

Common Issues & Fixes

• Hydraulic Hose Wear: Inspect daily; high-pressure hoses near couplers may wear quickly—replace proactively

• Track Tension Drift: Use grease-fitting adjuster to maintain correct tension and reduce wear

• Cooling Pack Blockage: Dust buildup reduces cooling efficiency—clean daily in dusty environments

• Sluggish Hydraulic Response: Check for clogged filters or low hydraulic fluid—service immediately

• Remote Control Drift: May need joystick recalibration or lubrication of pivot joints