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Cat Large Wheel Loaders are designed with durability built in, ensuring maximum availability through multiple life cycles. With optimized performance and simplified serviceability, our machines allow you to move more material efficiently and safely at a lower cost per ton.
Introduced in 1990, the 994 has become the top customer choice in its size class for over 25 years. Focused on helping our customers succeed, we have continued to build upon each new series' legacy of reliability, safety, operator comfort, serviceability and sustainability.
All images included in this Specalog show a U.S. EPA Tier 1/EU Stage I Equivalent configuration. It's important to note that the Tier 4 Final/EU Stage V Equivalent will have some physical differences, including the presence of a DEF tank.
Descriere
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Engine
| Net Power | 1297 kW |
| Engine Model | Cat® 3516E |
| Bore | 170 mm |
| Stroke | 215 mm |
| Displacement | 78.1 l |
| Rated Speed | 1,600 rpm |
| Emissions | U.S. EPA Tier 4 Final/EU Stage IV* or U.S. EPA Tier 1/EU Stage I Equivalent |
| Gross Power - SAE J1995 | 1394 kW |
| Peak Torque - 1,200 rpm - SAE J1995 | 11591 N·m |
| Gross Power - ISO 14396 | 1377 kW |
| Torque Rise | 39% |
| Net Power - SAE J1349 - Standard Ambient | 1297 kW |
| Note (4) | *Tier 4 Final/EU Stage IV configuration is ready to meet Stage V emission requirements once in effect. |
| Net Power - SAE J1349 - High Ambient | 1265 kW |
| Note (1) | The power ratings apply when tested under the reference conditions for the specified standard. |
| Note (2) | The net power advertised is the power available at the flywheel when the engine is equipped with fan, alternator, air cleaner, and muffler. |
| Note (3) | The gross power advertised is with the fan at maximum speed. |
Operating Specifications
| Operating Weight | 242605 kg |
| Bucket Capacity Range | 19.1-24.5 m3 (25-32 yd3) |
| Rated Payload - High Lift | 38.1 t |
| Rated Payload - Standard | 40.8 t |
| Bucket Capacity Range - Iron Ore | 17.2 m³ |
| Bucket Capacity Range - Rock | 19.1-24.5 m3 (25-32 yd3) |
| Bucket Capacity Range - Coal | 32.1-43.6 m3 (42-57 yd3) |
Transmission
| Transmission Type | Cat Planetary Power Shift |
| Forward - 1 | 7.4 km/h |
| Forward - 2 | 12.9 km/h |
| Forward - 3 | 21.9 km/h |
| Reverse - 1 | 8.1 km/h |
| Reverse - 2 | 14.1 km/h |
| Reverse - 3 | 24 km/h |
| Direct Drive - Forward 3 | 24.5 km/h |
| Direct Drive - Reverse 3 | 27 km/h |
| Direct Drive - Reverse 1 | Lock-up disables |
| Direct Drive - Forward 2 | 14 km/h |
| Direct Drive - Reverse 2 | 15.5 km/h |
| Direct Drive - Forward 1 | Lock-up disables |
| Note | Travel speeds based on 58/85-57 tires. |
Hydraulic System - Lift/Tilt
| Relief Valve Setting - Lift/Tilt | 32500 kPa |
| Maximum Flow at 1,700 rpm Engine Speed | 2047 l/min |
| Cylinders, Double Acting - Tilt, Bore and Stroke | 310 × 1086 mm (12.2 × 42.8 in) |
| Cylinders, Double Acting - Lift, Bore and Stroke | 370 × 1713 mm (14.6 × 67.4 in) |
| Pilot System | Open Loop and Pressure Reducing |
| Lift/Tilt System - Pump | Variable Displacement Piston |
| Lift/Tilt System - Circuit | Positive Flow Control |
Hydraulic Cycle Times
| Raise | 12.6 s |
| Dump | 3.1 s |
| Rack Back | 4.9 s |
| Lower Float Down | 4.2 s |
| Total Hydraulic Cycle Time - Empty Bucket | 23.5 s |
Complete System Fill
| Hydraulic Tank - Steering and Braking | 379 l |
| Transmission | 416 l |
| Fuel Tank - Standard | 3445 l |
| Hydraulic Tank - Implement and Hydraulic Fan | 1022 l |
| Engine Crankcase | 288 l |
| Cooling System | 520 l |
| Fuel Tank - With 24 hr Attachment | 5678 l |
| Differential - Final Drives - Rear | 757 l |
| Differential - Final Drives - Front | 833 l |
| Oil Renewal System (ORS)* | 75.7 l |
| Diesel Exhaust Fluid (DEF) (Tier 4 Final/Stage IV) | 519 l |
| Note | *Not available on Tier 4 Final machines. Not available in all regions. |
Buckets
| Bucket Capacities | 19.1-24.5 m3 (25-32 yd3) |
Axles
| Front | Fixed |
| Rear | Trunnion |
| Oscillation Angle | 9° |
Brakes
| Brakes | ISO 3450:2011 |
Sound Performance - Standard
| Operator Sound Level (ISO 6396:2008) - Tier 1/EU Stage I Equivalent | 72 dB(A) |
| Machine Sound Level (ISO 6395:2008) | 119 dB(A) |
| Operator Sound Level (ISO 6396:2008) - Tier 4 Final/EU Stage IV* | 72 dB(A) |
| Sound Performance | The measurement was conducted at 70 percent of the maximum engine cooling fan speed. Hearing protection may be needed when the machine is operated with a cab that is not properly maintained or when the doors or windows are open for extended... |
| Note | *EU Stage V ready. |
Hydraulic System - Steering
| Maximum Flow at 1,700 rpm Engine Speed | 980 l/min |
| Relief Valve Setting - Steering | 31000 kPa |
| Steering System - Circuit | Pilot, Load Sensing |
| Total Steering Angle | 80 degrees |
| Steering System - Pump | Piston, Variable Displacement |
| Steering Cycle Times - Low Idle | 7.6 s |
| Steering Cycle Times - High Idle | 4.3 s |
Cooling System
| Ambient Capability Hydraulically Driven Demand Fan - Standard | 43 °C |
| Ambient Capability Hydraulically Driven Demand Fan - High (Tier 4 Final) | 53 °C |
| Ambient Capability Hydraulically Driven Demand Fan - High (Tier 1 equivalent) | 55 °C |
Dimensions - Standard Lift - Approximate
| Front Axle Centerline to Bucket Tip | 6503 mm |
| Rack Back Angle - Ground Level | 39.7 degrees |
| Clearance at Maximum Lift | 6167 mm |
| Ground to Top of ROPS | 7118.5 mm |
| Maximum Overall Length | 19508 mm |
| Maximum Overall Height - Bucket Raised | 11771 mm |
| Reach - Maximum Lift | 2821 mm |
| Rack Angle at Maximum Lift | 59.5 degrees |
| Ground to Top of Exhaust Stacks | 7067 mm |
| Ground to Bumper Clearance | 1355 mm |
| Dump Angle at Maximum Lift | –50.0 degrees |
| Width - Over Tires - With Bulge | 5758 mm |
| Ground to Center of Axles | 1820 mm |
| Tread Width | 4300 mm |
| Note | Assumes 22.9 m3 (30 yd3) bucket for standard lift, and 21.4 m3 (28 yd3) bucket for high lift, fitted with Cat Advansys™ heavy duty tips. Assumes tire size 58/85-57. |
| B-Pin Height - Maximum Lift | 8790 mm |
| Rack Back Angle - Carry | 47.7 degrees |
| Rear Axle - Centerline to Bumper | 6205 mm |
| Ground to Lower Hitch Clearance | 898 mm |
| Ground to Top of Hood | 5682 mm |
| Wheel Base | 6800 mm |
Dimensions - High Lift - Approximate
| Rack Back Angle - Carry | 53.7 degrees |
| Reach - Maximum Lift | 2688 mm |
| Ground to Lower Hitch Clearance | 898 mm |
| Maximum Overall Length | 20102 mm |
| Ground to Bumper Clearance | 1355 mm |
| Rack Back Angle - Ground Level | 45.0 degrees |
| Tread Width | 4300 mm |
| Clearance at Maximum Lift | 7095 mm |
| Dump Angle at Maximum Lift | –50.0 degrees |
| Rear Axle - Centerline to Bumper | 6205 mm |
| Ground to Center of Axles | 1820 mm |
| Wheel Base | 6800 mm |
| Maximum Overall Height - Bucket Raised | 12545 mm |
| Ground to Top of Hood | 5682 mm |
| Width - Over Tires - With Bulge | 5760 mm |
| B-Pin Height - Maximum Lift | 9647 mm |
| Ground to Top of Exhaust Stacks | 7067 mm |
| Front Axle Centerline to Bucket Tip | 7097 mm |
| Rack Angle at Maximum Lift | 59.4 degrees |
| Ground to Top of ROPS | 7118.5 mm |
| Note | Assumes 22.9 m3 (30 yd3) bucket for standard lift, and 21.4 m3 (28 yd3) bucket for high lift, fitted with Cat Advansys™ heavy duty tips. Assumes tire size 58/85-57. |
Sound Performance - Suppression
| Operator Sound Level (ISO 6396:2008) - Tier 4 Final/EU Stage IV* | 71 dB(A) |
| Note | *EU Stage V ready. |
| Machine Sound Level (ISO 6395:2008) | 117 dB(A) |
| Sound Performance | The measurement was conducted at 70 percent of the maximum engine cooling fan speed. Hearing protection may be needed when the machine is operated with a cab that is not properly maintained or when the doors or windows are open for extended... |
| Operator Sound Level (ISO 6396:2008) - Tier 1/EU Stage I Equivalent | 71 dB(A) |