At a glance data:
Engine Model:
Cat® C15
Rated Speed:
2000
Peak Power Speed:
1600
Engine Power - ISO 14396:2002:
449hp
Overview
The Cat® 988 GC Wheel Loader helps you move more material at a lower cost per hour for a faster return on your investment. This machine offers significant fuel savings and up to 10% lower owning and operating cost than the 988K.
Engine
Engine Model:
Cat® C15
Rated Speed:
2000
Peak Power Speed:
1600
Engine Power - ISO 14396:2002:
449hp
Gross Power - SAE J1995:2014:
456hp
Net Power - SAE J1349:2011:
373hp
Emissions:
U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014
Bore:
5.4in
Stroke:
6.75in
Displacement:
927in³
Peak Torque - 1,200 rpm - SAE J1995:
1778ft·lbf
Torque Rise:
16%
Operating Specifications
Operating Weight:
116858lb
Rated Payload - Quarry Face:
12.5ton (US)
Bucket Capacity Range:
6.4-7.6 m3 (8.3-10 yd3)
Cat Truck Match - High Lift:
772/773/775
Transmission
Transmission Type:
Cat planetary power shift
Forward - 1:
5mile/h
Forward - 2:
8mile/h
Reverse - 1:
5mile/h
Reverse - 2:
8mile/h
Direct Drive - Forward 1:
Lock-up disabled
Direct Drive - Forward 2:
8mile/h
Direct Drive - Forward 3:
14mile/h
Direct Drive - Forward 4:
24mile/h
Direct Drive - Reverse 2:
9mile/h
Direct Drive - Reverse 3:
16mile/h
Direct Drive - Reverse 4:
25.4mile/h
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:
159gal/min
Relief Valve Setting - Lift/Tilt:
4598psi
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:
27in
Hydraulic Cycle Times
Rack Back:
3.8s
Raise:
7.5s
Dump:
3.0s
Lower Float Down:
4.6s
Total Hydraulic Cycle Time - Empty Bucket:
18.9s
Hydraulic System - Steering
Steering System - Circuit:
Pilot, load sensing
Steering System - Pump:
Piston, variable displacement
Maximum Flow:
52gal (US)
Relief Valve Setting - Steering:
4000psi
Total Steering Angle:
70°
Steering Cycle Times - High Idle:
3s
Steering Cycle Times - Low Idle:
5.2s
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
Operator's Cab
ROPS/FOPS:
ROPS/FOPS meet ISO 3471:2008 and ISO 3449:2005 Level II standards
Service Refill Capacities
Fuel Tank:
141gal (US)
Cooling System:
27gal (US)
Engine Crankcase:
9gal (US)
Diesel Exhaust Fluid Tank:
5.5gal (US)
Transmission:
20gal (US)
Differential - Final Drives - Front:
49gal (US)
Differential - Final Drives - Rear:
45gal (US)
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):
72dB(A)
Machine Sound Level (ISO 6395):
110dB(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.
Dimensions (Approximate) - High Lift
Ground to Top of ROPS:
13.5ft
Ground to Top of Exhaust Stacks:
13.3ft
Ground to Top of Hood:
10.7ft
Rear Axle - Centerline to Bumper:
10.3ft
Front Axle Centerline to Bucket Tip:
15.7ft
Wheel Base:
12.5ft
Maximum Overall Length:
39.5ft
Ground to Lower Hitch Clearance:
1.5ft
Clearance at Maximum Lift:
12ft
B-Pin Height - Maximum Lift:
18.7ft
Maximum Overall Height - Bucket Raised:
25ft
Reach - Maximum Lift:
7.7ft
Note:
Specifications are calculated with 6.9 m3 (9.0 yd3 ) rock bucket equipped with Michelin XLDD1 35/65 R33 tires.
Buckets
Bucket Capacities:
6.4-7.6 m3 (8.3-10 yd3)
Sustainability
Recyclability:
96%
Transmission
Direct Drive - Reverse 1:
Lock-up disabled
Standard Equipment
note
- Standard and optional equipment may vary. Consult your Cat dealer for details.
electrical
- Alarm, back-up
- Alternator, single 145 amp
- Batteries, dry
- Converter, 10/15 amp, 24V to 12V
- Lighting system (LED, work lights, access and service platform lighting)
- Starting and charging system, 24V
- Starter emergency start receptacle
- Transmission lockout in bumper
- Hazardous voltage lamp
operator environment
- Graphical Information Display, displays real time operating information, performs calibrations and customizes operator settings
- Air conditioner
- Cat Vision, rear vision camera system
- Cab, sound suppressed and pressurized, integrated rollover protective structure (ROPS/FOPS) radio ready for entertainment, includes antenna, speakers and converter (12‑volt 5-amp) and power port
- Controls, lift and tilt function
- Heater, defroster
- Horn, electric
- Instrumentation, gauges
– Coolant temperature
– Engine hour meter
– Hydraulic oil temperature
– Power train oil temperature - Light, cab, dome
- Lunchbox, beverage holders
- CB radio-ready
- Mirrors, rearview (externally mounted)
- Seat, Cat Comfort Cloth, air suspension, six-way adjustable
- Seat belt minder
- Seat belt, retractable, 76 mm (3 in) wide
- STIC Control System
- UV glass
- Virtual gear indicator
- Wet-Arm wipers/washers (front and rear)
– Intermittent front and rear wipers - Lights, directional
power train
- Brakes, oil-cooled, multi-disc, service/secondary
- Case drain screens
- Electro hydraulic parking brake
- Engine, C15 MEUI diesel, turbocharged/aftercooled
- Ground level engine shutoff
- Turbine precleaner, engine air intake
- Starting aid, ether, automatic
- Throttle lock, electronic
- Manual switch and automatic fuel priming
- Cat Production Measurement ready
- Cat SR Generator/Pump Drive
- Cat SR Drive Motor
- Cat Integrated Powered Electronics
- Automatic retarding controls
additional equipment
- Automatic bucket lift kickout/positioner
- Base machine price includes a rim allowance
- Hydraulically driven demand fan
- Couplings, Cat O-ring face seals
- Doors, service access (locking)
- Ecology drains for engine, radiator, hydraulic tank
- Fuel tank, 535 L (141 gal)
- Hoses, Cat XT™
- Hydraulic, steering and brake filtration/screening system
- Cat Clean Emission Module
- Oil sampling valves
- Premixed 50 percent concentration of extended life coolant with freeze protection to –34° C (–29° F)
- Rear access to cab and service platform
- Steering, load sensing
- Toe kicks
- Vandalism protection caplocks
Optional Equipment
note
- Standard and optional equipment may vary. Consult your Cat dealer for details.
power train
- High ambient cooling – software
- Optional Cat Production Measurement
- Optional Engine brake
- Crankcase guard
operator environment
- Cab precleaner
- Cat Detect, object detection system
- AM/FM radio
additional equipment
- Front and rear roading fenders
- Cold Weather Starting
- Autolube
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