Komatsu-D39EX-22

Komatsu D39EX-22 Base

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Variants

Specifications of Komatsu D39EX-22 Base

Engine

  • (SAE J1995) Gross 79.9 kW 107 HP
  • Aspiration Turbocharged, air-to-air aftercooled
  • Bore 107 mm x 124 mm
  • Fan drive type Hydraulic
  • Governor All-speed, electronic
  • Model komatsu SAA4D107E-1*
  • Number of Cylinders 4
  • Piston displacement . 4.46 ltr 272 in³
  • Rated rpm 2200 rpm
  • Stroke 4.21" x 4.88"
  • Type 4-cycle, water-cooled, direct injection

Transmission

  • Forward 1 0–3.4 km/h
  • Forward 2 0–5.6 km/h
  • Forward 3 0–8.5 km/h
  • Reverse 1 0–4.1 km/h
  • Reverse 2 0–6.5 km/h
  • Reverse 3 0–8.5 km/h

Service Refill Capacities

  • Engine Coolant 23 ltr
  • Engine Oil 15 ltr
  • Final Drive (each side) 3.5 ltr
  • Fuel Tank 195 ltr
  • Hydraulic Tank 60 ltr

Hydraulic System

  • Hydraulic cylinders Type Double-acting, piston type
  • Relief Valve Setting 27.4 MPa, 280 kg/cm² 3,983 psi

Undercarriage

  • Ground Contact Area 21710 cm²
  • Ground Pressure 0.42 kgf/cm²
  • Grouser Height 53 mm 2.1"
  • Length of Track on Ground 2360 mm 7'9"
  • Lubricated tracks Unique seals prevent entry of foreign abrasive material into pin to bu shing clearances to provide extended service life. Track tension is easily adjusted with a grease gun.
  • Number of Shoes (each side) 39
  • Number of track rollers (each side) 6
  • Rollers and idler Lubricated track rollers
  • Shoe width (standard) 460 mm 18.1"
  • Suspension Rigid type
  • Track Gauge 1650 mm 5'5"
  • Track roller fram Monocoque, large section, durable construction
  • Type of shoes (standard) Single grouser

WEIGHT

  • Tractor weight: 7800 kg

STEERING SYSTEM

  • Minimum turning radius 2.2 m 7'3"

Final Drives

  • FINAL DRIVES Two-stage planetary gear integrated into axial piston travel motors. Compact in-shoe mount reduces risk of damage by debris. Bolt-on sprocket for easy replacement.

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