Dozer blade 450 P-Tier

Overview
The John Deere 450 P‑Tier is a small P‑Tier crawler dozer engineered to simplify maintenance and maximize uptime while providing durable performance for construction applications. Net power is 53 kW (71 hp) at 2,000 rpm; operating weight ranges 8,081–8,634 kg (17,816–19,035 lb); track on ground is 2,433 mm (96 in).

Key features

• No DEF required: simplified aftertreatment eliminates the need for diesel exhaust fluid and related components.
• Extended hydraulic oil change interval: 4,000 hours (previously 2,000 hours) to lower maintenance frequency and cost.
• Ground‑level service access: vertical spin‑on fuel, hydraulic, and hydrostatic transmission filters and accessible dipstick/fill points simplify routine checks.
• Optimized hose and electrical harness routing to minimize rub and leak points.
• Updated cab: 14% larger interior, improved visibility via lowered/reprofiled hood, LED lighting package, rear‑view camera, heated & ventilated seat, automatic temperature‑controlled HVAC, premium Bluetooth radio and USB/aux ports.
• Sealed Switch Module (SSM): centralizes machine settings, reduces wiring and mechanical switches, enables automatic turbo cool‑down, auto shutdown, auto idle, and eco mode.
• Ergonomic controls: proportional blade‑angle roller switch, rocker switch for travel direction, low‑effort joysticks with integrated controls.
• Grade‑management technology: EZ Grade standard; optional Slope Control and SmartGrade (3D GNSS) compatible with Topcon and Leica; SmartGrade Ready pre‑wiring available.
• Multiple undercarriage options (Standard Heavy‑Duty, Extended Life with SC‑2 coated bushings, Maximum Life with larger wear components) to match conditions and extend wear life.

Technology and productivity

• EZ Grade (standard on EH‑controlled units) automates blade movements for smoother finish passes.
• Slope Control assists operators to maintain main and cross slopes with Live, Target, and Joystick modes.
• SmartGrade fully integrated 3D GNSS grade control (compatible with Topcon and Leica); SmartGrade Ready option simplifies later upgrades to full 3D.
• SmartGrade Remote Support: remote display access and wireless data transfer for troubleshooting, training, and project file updates.

Maintenance and uptime benefits

• Removal of DEF system reduces complexity, downtime, and operating costs.
• Extended service intervals and ground‑level access reduce service time and improve uptime.
• Optimized component routing and sealed modules reduce potential failure points.

Technical specifications

• Engine manufacturer: John Deere
• Engine model: PowerTech EWX 4045
• Displacement: 4.5 L (276 in³)
• Rated speed: 2,000 rpm
• Engine output (net): 53 kW (71 hp) at 2,000 rpm
• Transmission type: Hydrostatic
• Final drive: Triple reduction
• Track rollers: 6
• Shoe - pitch: 160 mm (6.3 in)
• Shoe - type: Single grouser
• Ground contact area: 19,752 cm² (3,062 in²)
• Number of shoes: 40
• Height - max: 2,899 mm (9 ft 6 in)
• Ground clearance: 345 mm (13.6 in)
• Track length - on ground: 2,433 mm (8 ft)
• Length - PAT blade straight: 4,022 mm (13 ft 2 in)
• Track gauge: 1,448 mm (4 ft 9 in)
• Blade - width: 2,464 mm (8 ft 1 in)
• Blade - dig depth: 530 mm (20.8 in)
• Blade - tilt: 331 mm (1 ft 1 in)
• Fuel tank capacity: 202 L (53.45 US gal)
• Blade capacity: 1.6 m³ (2.1 yd³)
• Speed - forward maximum: 8 kph (5 mph)
• Speed - reverse maximum: 8 kph (5 mph)
• Ground bearing pressure: 43.9 kPa (6.4 psi)
• Implement pump type: Gear
• Implement pump flow: 60.1 L/min (16 US gal/min)
• Operating weight: 8,081–8,634 kg (17,816–19,035 lb)