CAT 994D Wheel Loader

Bucket

Dump Clearance At Max Raise 19.03 ft in (5799 mm)
Bucket Capacity – Heaped 18.32 yd3 (14 m3)
Bucket Capacity – Struck 14.52 yd3 (11.1 m3)
Breakout Force 237825 lb
Bucket Width 18.54 ft in (5650 mm)

Dimensions

Ground Clearance 2.71 ft in (825 mm)
Length With Bucket On Ground 54.54 ft in (16621 mm)
Width Over Tires 17.89 ft in (5450 mm)
Reach At Max Lift And Dump 6.75 ft in (2055 mm)

Dimensions*

Ground Clearance 2.7 ft in (0.83 m)
Bumper Clearance 4.6 ft in (1.41 m)
Height – Center Of Axle 5.7 ft in (1.74 m)
Height – Top Of Exhaust Stack 22.7 ft in (6.92 m)
Height – Top Of Hood 15.6 ft in (4.76 m)
Height – Top Of ROPS/FOPS 22 ft in (6.71 m)
Hinge Pin Height At Full Lift – Std 26.76 ft in (8.16 m)
Length – Front Axle To Bucket Tip – Hl 22 ft in (6.71 m)
Length – Front Axle To Bucket Tip – Std 19.4 ft in (5.92 m)
Length – Rear Axle To Bumper 14.8 ft in (4.52 m)
Length – With Bucket On Ground 666.49 in (16928.85 mm)
Bucket Pivot – Maximum Lift – Std 26.8 ft in (8.17 m)
Overall Height – Bucket Raised – Hl 37.21 ft in (11.34 m)
Overall Height – Bucket Raised – Std (1) 37.19 ft in (11.34 m)
Overall Height – Bucket Raised – Std (2) 36.1 ft in (11.01 m)
Overall Length – Hl 57.7 ft in (17.59 m)
Overall Length – Std 55.1 ft in (16.8 m)
Reach At Maximum Lift/Dump – Hl 9.31 ft in (2.84 m)
Reach At Maximum Lift/Dump – Std 7.4 ft in (2.26 m)
Wheel Base Length 21 ft in (6.41 m)
Width – Over Tires 18 ft in (5.49 m)
Clearance At Maximum Lift/Dump – Std 18.4 ft in (5.61 m)
Bucket Pivot – Maximum Lift – Hl 27.9 ft in (8.51 m)
Clearance At Maximum Lift /Dump – Hl 19.5 ft in (5.95 m)

Engine Details

Engine Model 3516B TA
Net Power 1250 hp (932.2 kw)
Displacement 4221 cu in (69.2 L)
Bore 6.7 in (170.2 mm)
Stroke 7.6 in (193.1 mm)
Net Power – Iso 9249 1375 hp (1025.4 kw)
Net Power – Sae J1349 1361 hp (1014.9 kw)
Engine Model Cat 3516B EUI
Net Power – Eec 80/1269 1375 hp (1025.4 kw)
Net Power – Caterpillar 1375 hp (1025.4 kw)
Peak Torque – 1,100 Rpm 5786 lb ft (7844.8 Nm)

Operational Specs

Operating Weight 417429.9 lb (189343 kg)
Fuel Tank Capacity 1199.4 gal (4540 L)
Hydraulic System Fluid Capacity 236.5 gal (895 L)
Static Tipping Weight 279453.6 lb (126758 kg)

Transmission

Transmission Type Cat planetary power shift
Number Of Forward Gears 3
Number Of Reverse Gears 3
Max Speed – Forward 14.6 mph (23.4 km/h)
Max Speed – Reverse 16.1 mph (25.8 km/h)
Forward – 1 4.6 mph (7.5 km/h)
Forward – 2 8 mph (12.9 km/h)
Forward – 3 14.1 mph (22.7 km/h)
Reverse – 1 5 mph (8.1 km/h)
Reverse – 2 8.9 mph (14.4 km/h)
Reverse – 3 15.5 mph (25 km/h)

Buckets

Maximum Bucket Capacity 41 yd3 (31.4 m3)
Bucket Capacities 15-31 m3 19.5-41yd3

Hydraulic System

Raise Time 12.5 sec
Dump Time 3.4 sec
Lower Time 4 sec

Axles

Front Fixed
Rear Trunnion
Oscillation Angle 10 degrees
Maximum Single-Wheel Rise And Fall 26.7 in (677 mm)

Operating Specifications

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
Rated Payload 76000 lb (34473 kg)
Rated Payload – Standard 76000 lb (34473 kg)
Rated Payload – High Lift 68000 lb (30844.3 kg)

Service Refill Capacities

Cooling System 129 gal (488.4 L)
Fuel Tank Capacity 1226 gal (4641 L)
Crankcase 75.5 gal (285.8 L)
Hydraulic System – Including Tank 236 gal (893.1 L)
Transmission 92 gal (348.3 L)
Differential – Final Drives – Front 164.1 gal (621 L)
Differential – Final Drives – Rear 164.1 gal (621 L)
Hydraulics – Brake Cooling 6 gal (22.8 L)
Hydraulics – Steering/Brake 66 gal (249.9 L)
Pump Drive – Front 2 gal (7.6 L)
Differential – Final Drives – Each 164 gal (620.9 L)
Hydraulics – Lift/Tilt 164 gal (620.9 L)

Hydraulic Cycle Times

Raise 12.5 s
Dump 3.4 s
Rack Back 6 s
Total Hydraulic Cycle Time 19.9 s
Lower Float Down – Empty 4 s
Power Down 7.4 s

Hydraulic System – Lift/Tilt

Lift/Tilt System – Circuit Closed
Lift/Tilt System – Pump Piston, fixed displacement
Relief Valve Setting – Lift/Tilt 4408 psi
Tilt Cylinder – Stroke 44.9 in (1140.5 mm)
Lift Cylinder – Bore 13 in (330.2 mm)
Lift Cylinder – Stroke 65.4 in (1661.2 mm)
Tilt Cylinder – Bore 10.5 in (266.7 mm)
Number Of Lift Cylinders 2
Number Of Tilt Cylinders 2
Cylinders – Lift/Tilt Double-acting
Number Of Lift/Tilt Pumps 3
Maximum Flow At 1,710 Rpm (3x) 329 gal/min

Hydraulic System – Steering

Steering System – Circuit Closed
Steering System – Pump Piston, variable displacement
Number Of Steering Pumps 2
Relief Valve Setting – Steering 4495 psi
Maximum Flow At 1,710 Rpm (6900 Kpa) (2x) 112 gal/min

Hydraulic System – Pilot

Pilot System – Circuit Closed
Pilot System – Pump Gear
Number Of Pilot Pumps 1
Relief Valve Setting – Pilot 348 psi
Maximum Flow At 1710 Rpm 20.6 gal/min

Standards

Cab Vibration EC 89/392EEC
Cab – FOPS SAE J231 JAN81 ISO 3449 1992 Level II
Cab – ROPS SAE J1394 SAE J11040 APR88 ISO 3471-1 1986
Brakes SAE J1473 OCT90 ISO 3450 1992
Cab – Sound ISO 6394: 1998
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