Komatsu D39EX-22 Dozer

Dimensions

A. Width of Cab 4’2″ (1280 mm)
B. Width of Blade 8’11” (2710 mm)
C. Max Tilt at Blade Corner 1’3″ (370 mm)
D. Height to Exhaust Stack 8’11” (2730 mm)
E. Maximum Lift above Ground 2’11” (900 mm)
F. Maximum Drop below Ground 1’6″ (450 mm)
G. Length of Track on Ground 7’9″ (2360 mm)
H. Overall Length w/ Blade 14’3″ (4335 mm)
I. Length of Cab 7’4″ (2245 mm)
J. Height to Top of Cab 9’4″ (2835 mm)
K. Grouser Height 2.1″ (53 mm)
L. Track Gauge 5’5″ (1650 mm)
M. Width of Track Shoe 18.1″ (460 mm)
N. Width over Tracks 6’11” (2110 mm)
O. Width across End Bits (Blade Angled 25°) 8’2″ (2490 mm)
Ground Clearance 15.2″ (385 mm)
Minimum Turning Radius 7’3″ (2200 mm)

Komatsu D39EX-22 Dozer Dimensions

Dozer Blade

Blade Width 8’11” (2710 mm)
Blade Height 3’3″ (980 mm)
Blade Capacity 2.89 yd3 (2.21 m3)
Blade Angle (Both Directions) 25°
Maximum Tilt Adjustment 1’5″ (440 mm)
Maximum Lift above Ground 2’11” (900 mm)
Maximum Drop below Ground 1’6″ (450 mm)
Width across End Bits (Blade Angled 25°) 8’2″ (2490 mm)

Undercarriage

Number Of Track Rollers Per Side 6
Number Of Shoes Per Side 39
Type of Shoes (standard) Single grouser
Suspension Rigid type
Track Rollerframe Monocoque, large section, durable construction
Grouser Height 2.1″ (53 mm)
Track Gauge 5’5″ (1650 mm)
Standard Shoe Size 18.1″ (460 mm)
Length of Track on Ground 7’9″ (2360 mm)
Ground Contact Area 3365 in2 (21710 cm2)
Ground Pressure (w/ blade, ROPS cab) 5.92 psi (40.8 kPa)

Engine Details

Number Of Cylinders 4
Engine Make Komatsu
Engine Model Komatsu SAA4D107E-1
Displacement 272 cu in (4.46 L)
Bore 4.21 in (107 mm)
Stroke 4.88 in (124 mm)
Gross Power 107 hp (79.9 kw)
Net Power 105 hp (79 kw)
Power Measured @ 2200 rpm
Aspiration Turbocharged, air-to-air aftercooled
Lubrication Method Gear pump, force lubrication. Full-flow oil filter
Fan Drive Type Hydraulic
Emission Standards EPA Tier 3 and EU Stage 3A

Transmission

Transmission Type Dual-path electronically controlled Hydrostatic Transmission (HST) with Quick-shift and variable speed settings
Number of Gears 3F / 3R
Max Forward Speed 5.3 mph (8.5 km/h)
Max Reverse Speed 5.3 mph (8.5 km/h)
Steering Palm Command Control System (PCCS) joystick control for all directional movements
Final Drives Two-stage planetary gear integrated into axial piston travel motors
Parking Brake An adjustment-free spring-applied hydraulic release wet parking brake is located in each final drive

Komatsu D39EX-22 Dozer Specs

Operational Specs

Base Weight (w/o Blade) 17196 lb (7800 kg)
Max Operating Weight 19930 lb (9040 kg)
Operating Voltage 24 V
Alternator Supplied Amperage 35 amps
Battery 2x 12 V, 92 Ah, large capacity
Starter 5.5 kW

Hydraulic System

Type Closed-center Load Sensing System (CLSS) designed for precise control and for efficient simultaneous operation
Pump Type Piston-type hydraulic pump
Pump Flow Capacity 26.2 gal/min (99 L/min)
Relief Valve Pressure 3983 psi (27400 kPa)

Service Refill Capacities

Fuel Tank Capacity 51.5 gal (195 L)
Engine Oil Capacity 4 gal (15 L)
Cooling System Capacity 6.1 gal (23 L)
Hydraulic System Fluid Capacity 15.9 gal (60 L)
Final Drive (each side) 0.9 gal (3.5 L)
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