Milton CAT 120M User Manual
Page 21

21
120M Motor Grader specifications
Std – Fan speed – max
1,150 rpm
Std – Fan speed
– min
600 rpm
Std – Ambient Capability
43° C
109° F
Hi Ambient – Fan speed – max
1,650 rpm
Hi Ambient – Fan speed
– min
600 rpm
Hi Ambient Capability
50° C
122° F
• Max torque (VHP Plus) measured at 1,000 rpm.
• Net power is tested per ISO 9249, SAE J1349, and EEC 80/1269
Standards in effect at the time of manufacture.
• VHP Plus is an optional attachment.
• Max torque (VHP Plus) measured at 1,400 rpm.
• Net power advertised is the power available at rated speed
of 2,000 rpm, measured at the flywheel when engine is
equipped with fan running at minimum speed, air cleaner,
muffler and alternator.
• No engine derating required up to 3505 m (11,500 ft).
Engine
Engine Model
Cat
®
C6.6 ACERT™ VHP
Base Power (1st gear) – Net
103 kW
138 hp
VHP range – Net
103-114 kW
138-153 hp
VHP Plus range – Net
103-136 kW
138-182 hp
Displacement
6.6 L
403 in
3
Bore
105 mm
4.13 in
Stroke
125 mm
4.92 in
Torque rise (VHP Plus)
40%
Max torque (VHP Plus)
906 N·m
668 lb ft
Speed @ rated power
2,000 rpm
Number of cylinders
6
Derating altitude
3505 m
11,500 ft
Power Train
Forward/Reverse Gears
8 Fwd/6 Rev
Transmission
Direct drive, power shift,
countershaft
Brakes – Service
Multiple oil-disc
Brakes
– Service, surface area
23 000 cm
2
3,565 in
2
Brakes
– Parking
Multiple oil disc
Brakes
– Secondary
Dual circuit control system
Hydraulic System
Circuit type
Electro-hydraulic load
sensing, closed center
Pump type
Variable piston
Pump output
151 L/min
40 gal/min
Maximum system pressure
24 100 kPa
3,500 psi
Standby Pressure
3100 kPa
450 psi
• Pump output measured at 2,150 rpm
All-Wheel Drive System (Optional)
AWD HP Range – Net*
110-144 kW 148-193 hp
Motor Type
2 Variable axial piston
Pump Type
2 Variable piston
Maximum Torque
13 998 N·m
10,325 ft-lb
Operational gears
Forward = 1-7
Reverse = 1-5
* AWD Net power is an incremental increase per gear ranging
from 7-26 kW (10-35 hp), depending on selected gear.
120M Net Power
VHP
VHP Plus
Gear
kW (hp) – Net
kW (hp) – Net
Fwd. 1st
103 (138)
103 (138)
2nd
106 (143)
106 (143)
3rd
110 (148)
110 (148)
4th
114 (153)
114 (153)
5th
114 (153)
118 (158)
6th
114 (153)
121 (163)
7th
114 (153)
125 (168)
8th
114 (153)
136 (182)
Rev. 1st
103 (138)
103 (138)
2nd
106 (143)
106 (143)
3rd – 6th
110 (148)
110 (148)