Segment:
Compact Crawler Tractor
Application:
General construction, landscaping, light earthmoving
Competitors:
Caterpillar D3, John Deere 450, Case IH CX Series
Versatility:
Designed for a range of tasks with various attachments
Durability:
Komatsu's reputation for robust construction and longevity
Operator Comfort:
Ergonomic design for extended operation
Engine Overhaul:
Complete engine service, diagnostics, and repair
Powertrain:
Transmission, drive system, final drives
Hydraulic System:
Pumps, valves, cylinders, hoses, troubleshooting
Electrical System:
Wiring diagrams, component testing, troubleshooting
Under Carriage:
Track systems, rollers, idlers, sprockets, maintenance
Operator Station:
Controls, instrumentation, seating, safety features
Cooling System:
Radiator, fan, coolant flow, maintenance
Lubrication System:
Lubrication points, fluid specifications, maintenance
Operator Controls:
Description and operation of all controls
Routine Maintenance:
Scheduled maintenance, fluid checks, filter changes
Troubleshooting Guides:
Diagnostic procedures for various systems
Repair Procedures:
Step-by-step instructions for component repair and replacement
Disassembly Assembly:
Detailed instructions for taking apart and reassembling components
Adjustment Procedures:
Calibration and adjustment of various machine systems
Torque Specifications:
Precise torque values for critical fasteners
Depth:
Comprehensive, from basic maintenance to full overhaul and diagnostics
Diagnostic Capability:
Advanced troubleshooting with fault code interpretation and component testing
Rebuild Information:
Detailed information for complete engine and component rebuilds
Model:
Likely Komatsu SAA4D95LE-2 or similar electronically controlled engine (specific model not provided, but typical for this class)
Net Horsepower:
Approximately 70-80 HP (typical range for this class, specific value not provided)
Displacement:
Approximately 3.3 Liters (typical for this engine family, specific value not provided)
Emission Certification:
Likely Tier 3 or equivalent, depending on market and year of manufacture
Injection Type:
Common Rail Direct Injection (typical for modern Komatsu engines)
Operating Weight D39E 1A:
Approximately 7,500 - 8,500 kg (typical range)
Operating Weight D39P 1A:
Approximately 7,800 - 8,800 kg (typical range, 'P' variant may indicate wider tracks or payload capacity)
Blade Capacity:
Standard PAT (Power Angle Tilt) blade, capacity varies with blade width and angle
Ground Pressure:
Low ground pressure design, specific values depend on track width and configuration
Osha Compliance:
Designed to meet or exceed relevant safety standards for heavy equipment
Parking Brake:
Automatic spring-applied, hydraulically released parking brake
Rops Fops:
Standard Roll-Over Protective Structure (ROPS) and Falling Object Protective Structure (FOPS)
Seatbelt:
Operator restraint system
Features:
Basic operator interface, typically focused on machine function and diagnostics rather than entertainment.
Features:
Hydrostatic drive provides smooth operation and variable speed control, acting as a form of 'assistance' for precision work.
Telematics:
Later models may incorporate Komtrax telematics for machine monitoring and maintenance alerts, but not guaranteed for all -1A series units.
Engine Oil Change:
Typically 250-500 hours, refer to manual for exact interval and oil type
Hydraulic Oil Change:
Typically 1000-2000 hours, refer to manual for exact interval and fluid type
Air Filter Replacement:
As needed, based on air restriction indicator or manual schedule
Engine Oil:
API CJ-4 or equivalent synthetic/high-quality diesel engine oil (refer to manual for exact viscosity and specification)
Hydraulic Oil:
Komatsu genuine hydraulic oil or equivalent (e.g., ISO VG 46 or 32, check manual for specific recommendation)
Coolant:
Ethylene glycol-based coolant with heavy-duty DCA additive (refer to manual for type and mix ratio)
Hydrostatic Transmission:
Potential wear on hydrostatic components with high hours; regular fluid and filter changes are critical.
Undercarriage:
Track wear, roller and idler fatigue; proper track tension adjustment is key.
Electrical Connections:
Corrosion or loose connections can cause intermittent faults; regular inspection recommended.
Manufacturer:
Komatsu Ltd. is a Japanese multinational corporation that manufactures construction, mining, and industrial equipment.
Series:
The D39E/P-1A represents a generation of Komatsu's compact hydrostatic drive crawler dozers, known for their efficiency and maneuverability.
Manufacturing Location:
Likely manufactured in Komatsu's global production facilities, potentially Japan or North America.
