Milton CAT 990H - Manual (Page 19)

19 990H Wheel Loader specifications
Loader Hydraulic System
Main Hydraulic System Output at 650 L/min 172 gal/min
2,128 rpm and 6900 kPa (1,000 psi)
Relief Valve Setting 31 000 kPa 4,500 psi
Cylinders, Double Acting: 234 mm 9.25 in
Lift, Bore and Stroke ן 1270 mm ן 50 in
Cylinder, Double Acting: 292 mm 11.5 in
Tilt, Bore and Stroke
ן 820 mm ן 32.3 in
Pilot System, Gear-Type Pump 46 L/min 12 gal/min
Output at 2,000 rpm and 6900 kPa
(1,000 psi)
Relief Valve Setting (low idle) 2400 kPa 350 psi
Steering
Minimum Turning Radius 10 337 mm 407 in
(over bucket)
Steering Angle, each direction 35°
Hydraulic Output at 2,128 rpm 410 L/min 108 gal/min
and 6900 kPa (1,000 psi)
Relief Valve Setting 31 000 kPa 4,500 psi
Minimum Turning Radius 10 757 mm 424 in
(over bucket) – HL
Tires
Tires Tires used for measurement –
41.25/70-39 42 ply
• 41.25/70-39 42PR L5 General
• 41.25/70-39 42 PR L5 Firestone
• 45/65 R39 L5 VSDL Bridgestone*
• 45/65 R39 XLDD2 L5 Michelin*
• Note: In certain applications (such as load and carry),
the loader’s productive capabilities might exceed the tires’
tonnes-km/h (ton-mph) capabilities. Caterpillar recommends
that you consult a tire supplier to evaluate all conditions before
selecting a tire model. Other special tires are available on
request.