Milton CAT 450E User Manual

Page 15

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15

450E Backhoe Loader specifications

Operating Specifications – Backhoe

Turning Circle: outside, front wheels

8.36 m

27 ft 5 in

Turning Circle: outside,

11.18 m

36 ft 8 in

widest loading bucket

• ISO 5010.

• 4WD (off inner wheel not braked).

Service Refills

Cooling System, A/C

24.3 L

6.4 gal

Cooling System, High-Ambient

25.6 L

6.8 gal

Fuel Tank

145 L

38.4 gal

Engine Oil w/Filter

8.5 L

2.2 gal

Transmission, AWD, Auto Shift

21 L

5.6 gal

Rear Axle

19 L

5 gal

Front Axle, 4WD

11 L

2.9 gal

Front Axle, Planetaries

0.8 L

0.2 gal

Hydraulic System

100 L

26.5 gal

Hydraulic Tank

50 L

13.2 gal

Axle Ratings

Front Axle, 4WD, Static

22 944 kg

50,582 lb

Dynamic

9178 kg

20,233 lb

Rear Axle, Static

23 250 kg

51,257 lb

Dynamic

9300 kg

20,503 lb

• 4WD axle is pendulum mounted and permanently sealed and

lubricated, requiring no daily maintenance. Also features
double-acting steering cylinder with 52° steering angle for
increased maneuverability. Oscillation 10° each direction
from centerline.

Brakes

Features:

• Brakes meet the following standards: SAE J1473 and

ISO 3450 requirements.

• Boosted, self-adjusting, completely enclosed and sealed

outboard brakes allow easier servicing.

• Foot operated brake pedals can be interlocked for roading.

• Parking/secondary brakes are independent of the service

brake system. Parking brake is mechanically applied through
an adjustable hand lever located on the right console.

Hydraulic System

Circuit Type

Closed center,
load sensing

Pump Capacity (@ 2,200 rpm)

194 L/min

51.3 gal/min

System Pressure – Backhoe

26 200 kPa

3,800 psi

System Pressure – Loader

24 483 kPa

3,550 psi

Pump Type

Variable-flow, axial piston,
secondary gear

Steering Type

Ackerman

Power Steering

Hydrostatic, Hand
Metering Unit

Steering Cylinder

One double-acting

Axle Oscillation

10º

4WD Cylinder – Bore

85 mm

3.35 in

Stroke

236 mm

9.29 in

Rod Diameter

42 mm

1.65 in

Brake System

Boosted, outboard,
oil-immersed, multiple disc

Power Train

Auto-Shift (opt), Forward 1st

6 km/h

3.7 mph

Forward 2nd

9.6 km/h

6 mph

Forward 3rd

20 km/h

12 mph

Forward 4th

27 km/h

17 mph

Forward 5th

40 km/h

25 mph

Auto-Shift (opt), Reverse 1st

6 km/h

3.7 mph

Reverse 2nd

13 km/h

7.8 mph

Reverse 3rd

27 km/h

17 mph

• Auto-Shift automatically shifts between second gear and

highest selected gear.

• Forward/reverse electric power shuttle is controlled by

a conveniently placed, hand operated lever that provides
instant direction changes between forward and reverse
through power hydraulic clutches.

• Torque converter free-wheel clutch allows the converter

stator to free wheel during high speed, low torque
conditions such as roading.

• Single-stage, 2.38:1 stall ratio at 880 N·m (649 lb ft)

stall torque.

• Travel speeds at full governor on level ground.

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