Valtra T144, Operator'S Manual

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Steering valve revolution volume (industrial front
axle)
160 cm
3
Steering pump capacity • 73 l/min at engine speed 2 200 rpm
• 90 l/min at engine speed 2 200 rpm (optional)
Steering speed Over 2 rounds/sec. at idling speed
Steering wheel rotation 4.5 turns
6.12.1 Front axle
Axle type Hi-lock (Dana 740/560 and
740/561)
Hi-lock (Dana 750/570) Hi-lock (Dana 755/509 and
755/510)
Control Electro-hydraulically controlled multi-disc clutch
Differential lock Electro-hydraulically controlled multi-disc differential brake, simultaneously
controlled with rear axle differential lock
Steering arc, adjustable max 55° max 55° max 55°
Axle turning ±7° ±7° ±7°
Caster 0° 0° 0°
King pin inclination (KPI) 5.5° 5.5° 5.5°
Camber 1° 1° 1°
Toe-in (mm) 0–2 0–2 0–2
Flange distance (mm) 1 900 1 900 1 900
Ratio Hi-lock (Dana 740/560 and
740/561)
Hi-lock (Dana 750/570) Hi-lock (Dana 755/509 and
755/510)
Differential 2.923 2.750 2.750
Planetary gears 6.000 6.353 6.353
Total 17.538 17.471 17.471
Front axle/rear axle, 40
km/h
i=1.330 i=1.335 i=1.335
Front axle/rear axle, 50
km/h
i=1.323 i=1.328 i=1.328
Oil type
Valtra grade SAE grade API grade
Differential Valtra Axle LS 80W-90 GL-5 LS
Hub reduction gears Valtra Axle or Valtra Axle
LS
GL-5 or GL5 LS
Hub reduction gears,
front axle with brakes
Valtra Axle LS GL-5 LS
Oil volume when changing with filter
Axle type Differential (litres) Hub reduction gears (litres)
Dana 740/560 8.5 2 x 2.0
Dana 740/561 8.5 2 x 2.7
Dana 750/570 8.5 2 x 2.2
Dana 755/509 8.5 2 x 2.2
Dana 755/510 8.5 2 x 2.8
6.12.2 Turning circle
Minimum turning circle (m) 10.5
6. Technical specifications
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