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994D Wheel Loader

Posted By Equipment World Staff 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


933 kW



Engine Model


Cat® 3516B EUI


Cat® 3516B EUI



Gross Power


1375 hp


1027 kW



Net Power – Caterpillar


1375 hp


1027 kW



Net Power – EEC 80/1269


1375 hp


1027 kW



Net Power – ISO 9249


1375 hp


1027 kW



Net Power – SAE J1349


1361 hp


1015 kW



Bore


6.7 in


170 mm



Stroke


7.6 in


190 mm



Displacement


4221 in3


69 L



Peak Torque @ 1100 rpm


5786 lb ft


7500 N·m



Torque Rise


33 %


33 %




Operating Specifications



Operating Weight


421600 lb


191200 kg



Rated Payload


38 tons


34.5 tonnes



Rated Payload – Standard


38 tons


34.5 tonnes



Rated Payload – High-Lift


34 tons


31 tonnes



Bucket Capacity Range


15-31 m3 19.5-41 yd3


15-31 m3 19.5-41 yd3



Cat Truck Match – Standard


785C, 789C


785C, 789C



Cat Truck Match – High-Lift


789C, 793C


789C, 793C



Articulation Angle


40 Degrees


40 Degrees




Buckets



Bucket Capacities


15-31 m3 19.5-41yd3


15-31 m3 19.5-41yd3



Max. Bucket Capacity


41 yd3


31 m3




Transmission



Transmission Type


Cat planetary power shift


Cat planetary power shift



Forward 1


4.6 mph


7.3 km/h



Forward 2


8 mph


12.9 km/h



Forward 3


14.1 mph


22.6 km/h



Reverse 1


5 mph


8.1 km/h



Reverse 2


8.9 mph


14.3 km/h



Reverse 3


15.5 mph


24.9 km/h




Axles



Maximum Single-Wheel Rise and Fall


26.65 in


677 mm



Front


Fixed


Fixed



Rear


Trunnion


Trunnion



Oscillation Angle


10 Degrees


10 Degrees




Hydraulic Cycle Time



Rackback


6 Seconds


6 Seconds



Raise


12.5 Seconds


12.5 Seconds



Dump


3.4 Seconds


3.4 Seconds



Lower Float Down (Empty)


4 Seconds


4 Seconds



Power Down


7.4 Seconds


7.4 Seconds



Total Hydraulic Cycle Time


19.9 Seconds


19.9 Seconds




Hydraulic System – Steering



Steering System – Circuit


Closed


Closed



Steering System – Pump


Piston, variable displacement


Piston, variable displacement



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


112 gal/min


425 L/min



Relief Valve Setting – Steering


4495 psi


3100 kPa



Number of Steering Pumps


2


2




Service Refill Capacities



Fuel Tank


1226 gal


4641 L



Cooling System


129 gal


490 L



Crankcase


75.5 gal


286 L



Transmission


92 gal


350 L



Differentials and Final Drives – Front


164.05 gal


621 L



Differentials and Final Drives – rear


164.05 gal


621 L



Differential/Final Drives (each)


164 gal


621 L



Hydraulics – Lift/Tilt


164 gal


621 L



Hydraulics – Brake Cooling


6 gal


22 L



Hydraulics – Steering/Brake


66 gal


250 L



Pump Drive – Front


2 gal


7 L



Hydraulic System (including tank)


235.91 gal


893 L




Hydraulic System – Lift/Tilt



Lift/Tilt System – Circuit


Closed


Closed



Lift/Tilt System – Pump


Piston, fixed displacement


Piston, fixed displacement



Max Flow at 1710 rpm (3x)


329 gal/min


1245 L/min



Relief Valve Setting – Lift/Tilt


4408 psi


30400 kPa



Cylinders – Lift/Tilt


Double-acting


Double-acting



Lift Cylinder – Bore


13 in


318 mm



Lift Cylinder – Stroke


65.4 in


1660 mm



Tilt Cylinder – Bore


10.5 in


267 mm



Tilt Cylinder – Stroke


44.9 in


1140 mm



Number of Lift/Tilt Pumps


3


3



Number of Lift Cylinders


2


2



Number of Tilt Cylinders


2


2




Hydraulic System – Pilot



Pilot System – Circuit


Closed


Closed



Pilot System – Pump


Gear


Gear



Max Flow at 1710 rpm


20.6 gal/min


78 L/min



Relief Valve Setting – Pilot


348 psi


2400 kPa



Number of Pilot Pumps


1


1




Dimensions*



Height to Top of Exhaust Stacks


22.7 ft


6914 mm



Height to Top of ROPS/FOPS


22 ft


6711 mm



Height to Top of Hood


15.6 ft


4759 mm



Height to Center of Axle


5.7 ft


1750 mm



Bumper Clearance


4.6 ft


1410 mm



Ground Clearance


2.7 ft


825 mm



Reach at Max. Lift/Dump – Std


7.4 ft


2263 mm



Reach at Max. Lift/Dump – HL


9.3 ft


2825 mm



Clearance at Max. Lift/Dump – Std


18.4 ft


5592 mm



Clearance at Max. Lift /Dump – HL


19.5 ft


5931 mm



Bucket Pivot at Max. Lift – Std


26.8 ft


8157 mm



Bucket Pivot at Max. Lift – HL


27.9 ft


8496 mm



Overall Height Bucket Raised – Std


37.19 ft


11336 mm



Overall Height Bucket Raised – Std


36.1 ft


10996 mm



Overall Height Bucket Raised – HL


37.2 ft


11336 mm



Length – Rear Axle to Bumper


14.8 ft


4500 mm



Wheel Base Length


21 ft


6400 mm



Length – Front Axle to Bucket Tip – Std


19.4 ft


5909 mm



Length – Front Axle to Bucket Tip – HL


22 ft


6689 mm



Overall Length – Std


55.1 ft


16809 mm



Overall Length – HL


57.7 ft


17589 mm



Width Over Tires


18 ft


5499 mm



Hinge Pin Height at Full Lift – Std


26.76 ft


8157 mm



Length with Bucket on Ground


666.49 in


16929 mm




Standards



Cab/ROPS


SAE J1394 SAE J11040 APR88 ISO 3471-1 1986


SAE J1394 SAE J11040 APR88 ISO 3471-1 1986



Cab/FOPS


SAE J231 JAN81 ISO 3449 1992 Level II


SAE J231 JAN81 ISO 3449 1992 Level II



Cab Sound*


ISO 6394: 1998


ISO 6394: 1998



Cab Vibration


EC 89/392EEC


EC 89/392EEC



Brakes


SAE J1473 OCT90 ISO 3450 1992


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