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994D Wheel Loader

Posted By admin On November 15, 2007 @ 12:00 am In Boomerang | No Comments

Designed for maximum productivity, the 994D builds on its productive tradition with innovations that enhance performance, reliability, durability and operator comfort, to lower your cost-per-ton.


 


 


 



 


 
























































































































































































































































































































































































































































































































































































































































































































Engine

Units:  US 


Net Power


1250 hp



Engine Model


Cat® 3516B EUI



Gross Power


1375 hp



Net Power – Caterpillar


1375 hp



Net Power – EEC 80/1269


1375 hp



Net Power – ISO 9249


1375 hp



Net Power – SAE J1349


1361 hp



Bore


6.7 in



Stroke


7.6 in



Displacement


4221 in3



Peak Torque @ 1100 rpm


5786 lb ft



Torque Rise


33 %




Operating Specifications



Operating Weight


421600 lb



Rated Payload


38 tons



Rated Payload – Standard


38 tons



Rated Payload – High-Lift


34 tons



Bucket Capacity Range


15-31 m3 19.5-41 yd3



Cat Truck Match – Standard


785C, 789C



Cat Truck Match – High-Lift


789C, 793C



Articulation Angle


40 Degrees




Buckets



Bucket Capacities


15-31 m3 19.5-41yd3



Max. Bucket Capacity


41 yd3




Transmission



Transmission Type


Cat planetary power shift



Forward 1


4.6 mph



Forward 2


8 mph



Forward 3


14.1 mph



Reverse 1


5 mph



Reverse 2


8.9 mph



Reverse 3


15.5 mph




Axles



Maximum Single-Wheel Rise and Fall


26.65 in



Front


Fixed



Rear


Trunnion



Oscillation Angle


10 Degrees




Hydraulic Cycle Time



Rackback


6 Seconds



Raise


12.5 Seconds



Dump


3.4 Seconds



Lower Float Down (Empty)


4 Seconds



Power Down


7.4 Seconds



Total Hydraulic Cycle Time


19.9 Seconds




Hydraulic System – Steering



Steering System – Circuit


Closed



Steering System – Pump


Piston, variable displacement



Max Flow @ 1710 rpm (6900 kpa) (2x)


112 gal/min



Relief Valve Setting – Steering


4495 psi



Number of Steering Pumps


2




Service Refill Capacities



Fuel Tank


1226 gal



Cooling System


129 gal



Crankcase


75.5 gal



Transmission


92 gal



Differentials and Final Drives – Front


164.05 gal



Differentials and Final Drives – rear


164.05 gal



Differential/Final Drives (each)


164 gal



Hydraulics – Lift/Tilt


164 gal



Hydraulics – Brake Cooling


6 gal



Hydraulics – Steering/Brake


66 gal



Pump Drive – Front


2 gal



Hydraulic System (including tank)


235.91 gal




Hydraulic System – Lift/Tilt



Lift/Tilt System – Circuit


Closed



Lift/Tilt System – Pump


Piston, fixed displacement



Max Flow at 1710 rpm (3x)


329 gal/min



Relief Valve Setting – Lift/Tilt


4408 psi



Cylinders – Lift/Tilt


Double-acting



Lift Cylinder – Bore


13 in



Lift Cylinder – Stroke


65.4 in



Tilt Cylinder – Bore


10.5 in



Tilt Cylinder – Stroke


44.9 in



Number of Lift/Tilt Pumps


3



Number of Lift Cylinders


2



Number of Tilt Cylinders


2




Hydraulic System – Pilot



Pilot System – Circuit


Closed



Pilot System – Pump


Gear



Max Flow at 1710 rpm


20.6 gal/min



Relief Valve Setting – Pilot


348 psi



Number of Pilot Pumps


1




Dimensions*



Height to Top of Exhaust Stacks


22.7 ft



Height to Top of ROPS/FOPS


22 ft



Height to Top of Hood


15.6 ft



Height to Center of Axle


5.7 ft



Bumper Clearance


4.6 ft



Ground Clearance


2.7 ft



Reach at Max. Lift/Dump – Std


7.4 ft



Reach at Max. Lift/Dump – HL


9.3 ft



Clearance at Max. Lift/Dump – Std


18.4 ft



Clearance at Max. Lift /Dump – HL


19.5 ft



Bucket Pivot at Max. Lift – Std


26.8 ft



Bucket Pivot at Max. Lift – HL


27.9 ft



Overall Height Bucket Raised – Std


37.19 ft



Overall Height Bucket Raised – Std


36.1 ft



Overall Height Bucket Raised – HL


37.2 ft



Length – Rear Axle to Bumper


14.8 ft



Wheel Base Length


21 ft



Length – Front Axle to Bucket Tip – Std


19.4 ft



Length – Front Axle to Bucket Tip – HL


22 ft



Overall Length – Std


55.1 ft



Overall Length – HL


57.7 ft



Width Over Tires


18 ft



Hinge Pin Height at Full Lift – Std


26.76 ft



Length with Bucket on Ground


666.49 in




Standards



Cab/ROPS


SAE J1394 SAE J11040 APR88 ISO 3471-1 1986



Cab/FOPS


SAE J231 JAN81 ISO 3449 1992 Level II



Cab Sound*


ISO 6394: 1998



Cab Vibration


EC 89/392EEC



Brakes


SAE J1473 OCT90 ISO 3450 1992


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