988 GC

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Specifications

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Air Conditioning System

Air Conditioning

The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.8 kg of refrigerant which has a CO2 equivalent of 2.574 metric tonnes.

Axles

Front

Fixed
Rear

Trunnion
Oscillation Angle

+/-12.5°

Brakes

Brakes

ISO 3450:2011

Buckets

Bucket Capacities

6.4-7.6 m3 (8.3-10 yd3)

Dimensions (Approximate) - High Lift

Ground to Top of ROPS

13.5 ft
Ground to Top of Exhaust Stacks

13.3 ft
Ground to Top of Hood

10.7 ft
Rear Axle - Centerline to Bumper

10.3 ft
Front Axle Centerline to Bucket Tip

15.7 ft
Wheel Base

12.5 ft
Maximum Overall Length

39.5 ft
Ground to Lower Hitch Clearance

1.5 ft 459 mm
Clearance at Maximum Lift

12 ft
B-Pin Height - Maximum Lift

18.7 ft
Maximum Overall Height - Bucket Raised

25 ft
Reach - Maximum Lift

7.7 ft
Note

Specifications are calculated with 6.9 m3 (9.0 yd3 ) rock bucket equipped with Michelin XLDD1 35/65 R33 tires.

Engine

Engine Model

Cat® C15
Rated Speed

2000
Peak Power Speed

1600
Engine Power - ISO 14396: 2002

449 hp 335 kW
Gross Power - SAE J1995:2014

456 hp 340 kW
Net Power - SAE J1349:2011

373 hp 278 kW
Emissions

U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014
Bore

5.4 in 137 mm
Stroke

6.75 in
Displacement

927 in³ 15.2 l
Peak Torque - 1,200 rpm - SAE J1995

1778 ft·lbf
Torque Rise

16%

Hydraulic Cycle Times

Rack Back

3.8 s 3.8 s
Raise

7.5 s 7.5 s
Dump

3 s 3 s
Lower Float Down

4.6 s 4.6 s
Total Hydraulic Cycle Time - Empty Bucket

18.9 s 18.9 s

Hydraulic System - Lift/Tilt

Lift/Tilt System - Circuit

EH - Load Sense
Lift/Tilt System

2X x 145 cc Variable displacement piston
Maximum Flow at 2,165 rpm

159 gal/min
Relief Valve Setting - Lift/Tilt

4598 psi
Cylinders, Double Acting - Lift, Bore and Stroke

190 mm x 1216 mm (7.5 in x 48 in)
Cylinders, Double Acting - Tilt, Bore and Stroke

170 mm x 722 mm (6.7 in x 28.4 in)
Pilot System

Variable displacement piston
Tilt Cylinder - Stroke

27 in 685 mm

Hydraulic System - Steering

Steering System - Circuit

Pilot, load sensing
Steering System - Pump

Piston, variable displacement
Maximum Flow

52 gal (US)
Relief Valve Setting - Steering

4000 psi
Total Steering Angle

70°
Steering Cycle Times - High Idle

3 s 3 s
Steering Cycle Times - Low Idle

5.2 s 5.2 s

Operating Specifications

Operating Weight

116858 lb
Rated Payload - Quarry Face

12.5 ton (US) 11.3 t
Bucket Capacity Range

6.4-7.6 m3 (8.3-10 yd3)
Cat Truck Match - High Lift

772/773/775

Operator's Cab

ROPS/FOPS

ROPS/FOPS meet ISO 3471:2008 and ISO 3449:2005 Level II standards

Service Refill Capacities

Fuel Tank

141 gal (US) 535 l
Cooling System

27 gal (US) 101 l
Engine Crankcase

9 gal (US) 34 l
Diesel Exhaust Fluid Tank

5.5 gal (US) 21 l
Transmission

20 gal (US) 75 l
Differential - Final Drives - Front

49 gal (US) 186 l
Differential - Final Drives - Rear

45 gal (US) 170 l
Note

Cat U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels up to: - 20% biodiesel FAME (fatty acid methyl ester)* - 100% renewable diesel, HVO (hydrotreated vegetable oil) and GTL (gas-to-liquid) fuels. Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations” (SEBU6250) for details. *Engines with no aftertreatment devices can use higher blends, up to 100% biodiesel. **For use of blends higher than 20% biodiesel, consult your Cat dealer

Sound Performance - Tier 4 Final/EU Stage V - Standard

Operator Sound Level (ISO 6396)

72 dB(A)
Machine Sound Level (ISO 6395)

110 dB(A)
Note (1)

The operator sound pressure level was measured according to the test procedures and conditions specified in ISO 6396:2008. The measurement was conducted at 70 percent of the maximum engine cooling fan speed.
Note (2)

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 periods or in a noisy environment.
Note (3)

The machine sound power level was measured according to the test procedures and conditions specified in ISO 6395:2008. The measurement was conducted at 70 percent of the maximum engine cooling fan speed.

Sustainability

Recyclability

96%

Transmission

Transmission Type

Cat planetary power shift
Forward - 1

5 mile/h
Forward - 2

8 mile/h
Reverse - 1

5 mile/h
Reverse - 2

8 mile/h
Direct Drive - Forward 1

Lock-up disabled
Direct Drive - Forward 2

8 mile/h
Direct Drive - Forward 3

14 mile/h
Direct Drive - Forward 4

24 mile/h
Direct Drive - Reverse 1

Lock-up disabled
Direct Drive - Reverse 2

9 mile/h
Direct Drive - Reverse 3

16 mile/h
Direct Drive - Reverse 4

25.4 mile/h

Proven Reliability

Cat C15 engine is built and tested to meet your most demanding applications.
Cat torque converter with lock-up clutch eliminates torque converter losses and lowers system heat.
Maximum responsiveness with Steering and Integrated Control (STIC™).
Moves more material more efficiently with improved power and control.
Transmission neutralizer pedal extends service brake life and allows full power during stationary loading.
Mechanically Actuated Electronic Unit Injection (MEUI™) fuel system and Advanced Diesel Engine Management (ADEM™) A5 electronic control module manage fuel delivery for optimum performance and quick engine response.

Durability

Best-in-class transmission for long life and consistent, smooth shifting; specifically designed for mining applications.
Advanced Productivity Electronic Control Shifting (APECS) transmission controls for greater momentum on grades.
Positive Flow Control (PFC) hydraulic system increases efficiency, bucket feel, and responsiveness with consistent performance.
Advanced filtration system for extended performance and reliability of the hydraulic system.
Impeller Clutch Torque Converter (ICTC) minimizes tire spin by allowing torque to adjust to underfoot conditions.
Advanced filtration system for extended performance and reliability of the hydraulic system.

Achieve Productivity Targets

Optimum 50-ton truck match loader.
Dump clearance designed for efficient truck loading up to 775G.
Improved visibility over the top of the linkage.
Rated payload aligned with 988K.
Convenient, responsive electro-hydraulic controls increase operator productivity.
Integrated steering and transmission controls.

Superior Fuel Efficiency

Up to 5% less fuel consumption than the 988K.
Flow sharing hydraulics for full flow at reduced engine rpm.
Fully integrated electronic engine controls make your fuel go farther.
Engine Idle Shutdown for less fuel used while idling.

Increase Productivity and Efficiency with Integrated Technologies

Cat Technologies developed to monitor, manage, and enhance your jobsite operations.
Cat Payload ready provides accurate weighing* of the materials you are loading and hauling. Payload data is displayed in real-time to improve productivity and reduce overloading.
Optional Cat Detect enhances awareness of the environment around working equipment and provides alerts to help keep people and assets safe on the jobsite.
Product Link™ wirelessly connects you to your equipment, giving you access to essential information you need to know to run your business. Gain valuable insight into how your machine or fleet is performing.
Optional Advanced Productivity subscription provides comprehensive actionable information to help you manage and improve the productivity and profitability of your operations.
Standard work tool recognition provides awareness of bucket install.

*Not legal for trade.

Safety Features

Achieve precise positioning for easy loading in tight areas with 43 degrees of steering articulation.
Precise machine control by load-sensing hydraulic steering system.
Standard LED lights for improved visibility.
Optional left- and right-hand stairs with 45-degree angle.
Computerized monitoring system with warning indicators.
Standard rear Cat Vision enhances visibility behind the machine, helping you work safely and confidently.
Pressurized cabin with filtered air and reduced sound levels.

Reduced Maintenance Time and Costs

Up to 25% lower maintenance costs than the 988K.
Grouped service points provide easy access to critical daily service checks.
Electro-hydraulic controls.
Swing-out engine compartment service doors.
Reduced waste with maintenance-free batteries.
Ecology drains to prevent spilled contaminants and allow for easier service.
Vehicle Information Management System (VIMS™) notifications to resolve problems before failure.
Ground level access to transmission control valves.

Easy, Comfortable Operator Environment

Best-in-class operator comfort and ergonomics.
Comfort Series III seats with extra thick, contoured cushions provide total comfort throughout the workday.
Easy-to-reach levers and seat-mounted implement pod to reduce fatigue.
Ergonomic switch placement and displays with large, backlit switches and LED indicators.
Two-position rocker switch activates the electro hydraulic parking brake.
Reduced vibrations from isolated cab mounts and seat air suspension.
Automatic cab temperature controls.
Up to 47% quieter STIC steering significantly reduces operator sound levels.

Sustainability

The Cat® C15 engine is available in configurations that meet U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards or Brazil MAR-1 and China Nonroad Stage III emission standards, equivalent to U.S. EPA Tier 3 and EU Stage IIIA.
The 988 GC emits up to 5% less CO2/hr than the 988K.
Cat U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels up to: 20% biodiesel FAME (fatty acid methyl ester)* or 100% renewable diesel, HVO (hydrotreated vegetable oil) and GTL (gas-to-liquid) fuels
Cat engines meeting Brazil MAR-1 and China Nonroad Stage III, equivalent to U.S. EPA Tier 3 and EU Stage IIIA, are compatible with diesel fuel blended with the following lower-carbon intensity fuels up to: 100% biodiesel FAME (fatty acid methyl ester)** or 100% renewable diesel, HVO (hydrotreated vegetable oil) and GTL (gas-to-liquid) fuels. Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids
Recommendations” (SEBU6250) for details.
Engine Idle Management System and Auto Engine Idle Shutdown reduces idle RPM and maximize fuel efficiency.
Load sensing hydraulics produce flow and pressure on-demand and only in amounts necessary to perform the needed functions.
Cat Payload technology maximizes loading efficiency, helping operators of every skill level work more accurately to reduce load time, fuel costs and greenhouse gas emissions.
Extended maintenance intervals not only reduce downtime but decrease the amount of fluid and filters that are replaced over the life of the machine.
Optional Cat clean emissions module includes Diesel Particulate Filter (DPF), Diesel Oxidation Catalyst (DOC), and Selective Catalytic Reduction (SCR) technologies to reduce the engine’s emissions.

*All comparisons to 988K. Productivity, fuel and CO2 emissions vary by application. CO2 emissions calculations based on a reference work cycle using 2.2 U.S. gallons per hour of #2 U.S. diesel fuel. Applies IPCC2006 methodology using U.S. EPA Emissions Hub emission factors. Includes DEF (diesel exhaust fluid) related CO2. Fuel measurements are at 15°C. Estimated average fuel consumption improvements are based on tests or Product Link™? data where available. Productivity improvements are based on test data.