Milton CAT D4K - Manual (Page 9)

D4K Track-Type Tractor Specifications
9
Engine
Engine model CAT C4.4 ACERT
Power – Gross 68.5 kW 92 hp
Power – Net 62.6 kW 84 hp
Displacement 4400 cm 3 269 in 3
Caterpillar 62.6 kW 84 hp
ISO 9249 62.6 kW 84 hp
EEC 80/1269 62.6 kW 84 hp
SAE J1349 62.6 kW 84 hp
Bore 105 mm 4.13 in
Stroke 127 mm 5 in
• Ratings at 1,900 rpm.
• Net power advertised is the power available
at the flywheel when engine is equipped
with fan, air cleaner, muffler and alternator.
• No derating required up to 3000 m
(9,843 ft) altitude.
Weights
Operating weight 8147 kg 17,961 lb
– XL
Operating weight
8501 kg 18,742 lb
– LGP
• Operating with dozer blade, canopy ROPS,
back-up alarm, operator, coolant, lubricants
and full fuel tank.
Transmission
Drive pumps 2
Track motors 2
Relief valve 47 650 kPa 6,911 psi
settings
Maximum travel
9 km/h 5.6 mph
speed – forward
Maximum travel
10 km/h 6.2 mph
speed – reverse
• Dual-path, closed loop hydrostatic
drive provides infinitely variable speeds
from 0-9 km/h (0-5.6 mph) forward and
0-10 km/h (0-6.2 mph) reverse.
• Full-flow filtering of hydrostatic charge
system oil.
• Drive pumps: two variable-displacement,
slipper-axial piston pumps mounted tandem-
style to engine flywheel housing.
• Track motors: two variable-displacement,
link-type piston motors.
Service Refill Capacities
Fuel tank 195 L 51.5 gal
Crankcase and filter 11 L 2.91 gal
Final drives, XL 10 L 2.6 gal
(each side)
Final drives, LGP
10 L 2.6 gal
(each side)
Cooling system
22.4 L 5.92 gal
Transmission/ 59.5 L 15.7 gal
hydraulic tank
Hydraulic Controls
Pump output 73.5 L/min 19.4 gal/min
Relief valve setting 20 600 kPa 2,988 psi
• Pump output ratings at 2,150 rpm and
6895 kPa (1,000 psi).
• Control positions:
– Lift cylinders – raise, hold, lower, float.
– Tilt cylinders – left, hold, right.
– Angle cylinders – left, hold, right.
– Ripper cylinders – raise, hold, lower.
Final Drive
Features:
• Double-reduction planetary gear set.
• Mounted independently of track frames
to isolate them from machine weight and
ground-induced shock loads.
Steering and Braking
Features:
• Full powerturn.
• Counterrotation.
• Single lever steering, speed and direction
control.
• Hydrostatic (dynamic) braking through
machine drive system using transmission
control lever, center brake pedal or
decel pedal.
Drawbar
120
100
80
60
40
20
0
1 3 5 7 9 km/h
0 1.2 2.5 3.7 5.0 6.2 mph
20.3
15.8
11.3
6.8
2.3
N lb
24.8
Drawbar Pull
Dr
a
wbar Pull x 1000 N (lb)
140
160
180
Speed
29.3
33.8
38.3