988 GC Wheel Loader

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Product Description

The Cat® 988 GC Wheel Loader helps you move more material at a low cost per hour for a fast return on your investment. This machine offers significant fuel savings and up to 10% lower owning and operating cost than the 988K.

Specifications
Us
Metric
Engine
Engine Power - ISO 14396: 2002
449 hp
335 kW
Engine Model
Cat® C15
Rated Speed
2000 rpm
Peak Power Speed
1600 rpm
Gross Power - SAE J1995:2014
456 hp
340 kW
Net Power - SAE J1349:2011
373 hp
278 kW
Bore
5.4 in
137 mm
Stroke
6.75 in
171.5 mm
Displacement
927 in³
15.2 l
Peak Torque - 1,200 rpm - SAE J1995
1778 ft·lbf
2411 N·m
Torque Rise
16%
Note (1)
Two engine emission options are available: 1. Meets U.S. EPA Tier 4 Final, EU Stage V, and Japan emission standards. 2. Meets Brazil MAR-1 emission standards, equivalent to U.S. EPA Tier 3 and EU Stage IIIA.
Note (2)
Net power advertised is the power available at the flywheel when the engine is equipped with fan at minimum speed, air intake system, exhaust system, and alternator.
Operating Specifications
Operating Weight
112426 lb
50996 kg
Bucket Capacity Range
6.4-7.6 m3 (8.3-10 yd3)
Rated Payload - Quarry Face
12.5 ton (US)
11.3 t
Cat Truck Match - High Lift
772/773/775
Transmission
Transmission Type
Cat planetary power shift
Forward - 1
5 mile/h
7.3 km/h
Forward - 2
8 mile/h
12.2 km/h
Reverse - 1
5 mile/h
7.6 km/h
Reverse - 2
8 mile/h
13.6 km/h
Direct Drive - Forward 1
Lock-up disabled
Direct Drive - Forward 2
8 mile/h
12.7 km/h
Direct Drive - Forward 3
14 mile/h
22 km/h
Direct Drive - Forward 4
24 mile/h
39 km/h
Direct Drive - Reverse 1
Lock-up disabled
Direct Drive - Reverse 2
9 mile/h
14.1 km/h
Direct Drive - Reverse 3
16 mile/h
25 km/h
Direct Drive - Reverse 4
25.4 mile/h
40.8 km/h
Note
Travel speeds based on 35/65-R33 tires.
Hydraulic System - Lift/Tilt
Lift/Tilt System - Circuit
EH - Load Sense
Lift/Tilt System - Pump
Variable displacement piston
Maximum Flow at 2,165 rpm
159 gal/min
600 l/min
Relief Valve Setting - Lift/Tilt
4598 psi
31700 kPa
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
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 - Steering
Steering System - Circuit
Pilot, load sensing
Steering System - Pump
Piston, variable displacement
Maximum Flow
52 gal (US)
200 l/min
Relief Valve Setting - Steering
4000 psi
27600 kPa
Total Steering Angle
70°
Steering Cycle Times - High Idle
3 s
3 s
Steering Cycle Times - Low Idle
5.2 s
5.2 s
Air Conditioning System
Air Conditioning
The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a or R1234yf. See the label or instruction manual for identification of the gas. - If equipped with R134a (Global Warming Potential = 1430), the system contains 1.8 kg (3.9 lb) of refrigerant, which has a CO2 equivalent of 2.574 metric tonnes (2.837 tons).
Axles
Front
Fixed
Rear
Trunnion
Oscillation Angle
+/-12.5°
Brakes
Brakes
ISO 3450:2011
Operator's Cab
ROPS/FOPS
ROPS/FOPS meet ISO 3471:2008 and ISO 3449:2005 Level II standards
Sound Performance - Tier 4 Final / Stage V
Operator Sound Pressure Level (ISO 6396:2008)
73 dB(A)
73 dB(A)
Machine Sound Power Level (ISO 6395:2008)
113 dB(A)
113 dB(A)
Operator Sound Pressure Level (ISO 6396:2008)*
72 dB(A)
72 dB(A)
Machine Sound Power Level (ISO 6395:2008)**
110 dB(A)
110 dB(A)
Note (1)
* For machines in European Union countries and in countries that adopt the “EU Directives” and “UK Directives.”
Note (2)
** European Union Directive “2000/14/EC” as amended by “2005/88/EC” and UK Noise Regulation 2001 No. 1701.
Note (3)
The machine sound power level was measured according to ISO 6395:2008. The measurement was conducted at 70% of the maximum engine cooling fan speed.
Note (4)
The operator sound pressure level was measured according to ISO 6396:2008. The measurement was conducted at 70% of the maximum engine cooling fan speed.
Note (5)
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.
Sound Performance - Tier 3 / Stage IIIA
Operator Sound Pressure Level (ISO 6396:2008)
74 dB(A)
74 dB(A)
Machine Sound Power Level (ISO 6395:2008)
113 dB(A)
113 dB(A)
Operator Sound Pressure Level (ISO 6396:2008)*
73 dB(A)
73 dB(A)
Machine Sound Power Level (ISO 6395:2008)**
110 dB(A)
110 dB(A)
Note (1)
* For machines in European Union countries and in countries that adopt the “EU Directives” and “UK Directives.”
Note (2)
** European Union Directive “2000/14/EC” as amended by “2005/88/EC” and UK Noise Regulation 2001 No. 1701.
Note (3)
The machine sound power level was measured according to ISO 6395:2008. The measurement was conducted at 70% of the maximum engine cooling fan speed.
Note (4)
The operator sound pressure level was measured according to ISO 6396:2008. The measurement was conducted at 70% of the maximum engine cooling fan speed.
Note (5)
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.
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 diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) and are compatible* with 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. * While Caterpillar engines are compatible with these alternative fuels, some regions may not allow their use. ** Tailpipe greenhouse gas emissions from lower-carbon intensity fuels are essentially the same as traditional fuels. *** Engines with no aftertreatment devices are compatible with higher blends, up to 100% biodiesel (for use of blends higher than 20% biodiesel, consult your Cat dealer).
Dimensions (Approximate) - High Lift
Ground to Top of ROPS
13.5 ft
4100 mm
Ground to Top of Exhaust Stacks
13.3 ft
4060 mm
Ground to Top of Hood
10.7 ft
3270 mm
Rear Axle - Centerline to Bumper
10.3 ft
3132 mm
Front Axle Centerline to Bucket Tip
15.7 ft
4773 mm
Wheel Base
12.5 ft
3810 mm
Maximum Overall Length
39.5 ft
12042 mm
Ground to Lower Hitch Clearance
1.5 ft
459 mm
Clearance at Maximum Lift
12 ft
3732 mm
B-Pin Height - Maximum Lift
18.7 ft
5755 mm
Maximum Overall Height - Bucket Raised
25 ft
7582 mm
Reach - Maximum Lift
7.7 ft
2342 mm
Note
Specifications are calculated with 6.9 m3 (9.0 yd3 ) rock bucket equipped with Michelin XLDD1 35/65 R33 tires.
Standard/Optional

Standard Equipment

NOTE
ELECTRICAL
OPERATOR ENVIRONMENT
POWERTRAIN
ADDITIONAL EQUIPMENT

Optional Equipment

NOTE
POWERTRAIN
OPERATOR ENVIRONMENT
ADDITIONAL EQUIPMENT

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