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Milton CAT 120M User Manual

Page 21

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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)