Hydraulic System - Terex TL120 Operating Instructions Manual

Wheel loader
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3.5
Brakes
Brakes
Service brake
Hydraulically actuated center-mounted drum brake, acting on all four wheels via four-wheel drive.
(standard)
Service brake
Hydraulically actuated center-mounted drum brake, acting on all four wheels via four-wheel drive, and
(high-speed version)
inboard-mounted disc brake on rear axle.
Parking brake
Mechanically actuated center-mounted drum brake on front axle.
Additional brake
Hydrostatic through closed-circuit travel drive.
Table 6 Technical specifications - brakes
3.6

Hydraulic system

Hydraulic system
Hydraulic pump
Gear pump on throughdrive of variable displacement pump
Max. pump capacity: 76 l/min
Operating pressure, steering: 175 bar
Operating pressure, loading: 250 bar
Priority valve
Priority supply of hydraulic oil to steering through load-sensing system, ensuring that all the available
oil can be provided if necessary. Rapid steering movements even at low engine revs.
Steering
Fully hydraulic, proportionally acting articulated steering. Two double-acting steering cylinders.
Total steering angle
80°
Loader installation
Double-acting work cylinders, one lift cylinder and one tilt cylinder.
Control valve with 3 control circuits.
Electro-hydraulically operated float position for "Lower" work function.
Single, four-way control lever (joystick) with integrated direction-of-travel switch, float position switch
and switch for additional control circuit.
Auxiliary control circuit
Max. oil flow 76 l/min
Max. operating pressure 230 bar
Hydraulic oil cooler
Thermostatically controlled
Table 7 Technical specifications - hydraulic system
3.7
Axles
Axles
Front axle
Rear axle (standard)
Rear axle (high-speed version)
Rear axle oscillating angle
Table 8 Technical specifications - axles
Operating Instructions Wheel Loader TL120
Rigidly mounted planetary drive axle with self-locking differential and integrated center-
mounted drum brake.
Oscillating planetary drive axle with self-locking differential and integrated reduction gear.
Oscillating planetary drive axle with self-locking differential and integrated 2-stage
reduction gear.
± 12°
Technical Specifications
3
27

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