988 Wheel Loader
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 low cost per ton. Introduced in 1963, the 988 has been an industry leader for 60 years. Focused on helping our customers succeed, we have continued to build upon each new series. The 988 continues our legacy of reliability, performance, safety, operator comfort, serviceability, and efficiency.
Share
Overview
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 low cost per ton. Introduced in 1963, the 988 has been an industry leader for 60 years. Focused on helping our customers succeed, we have continued to build upon each new series. The 988 continues our legacy of reliability, performance, safety, operator comfort, serviceability, and efficiency.
-
Engine Power - ISO 14396:2002
432 kW -
Engine Model
Cat® C18 -
Rated Speed
1700/rpm -
Peak Power Speed
1500/rpm -
Gross Power - SAE J1995:2014
439 kW -
Net Power - SAE J1349:2011
401 kW -
Bore
145 mm -
Stroke
183 mm -
Displacement
18.1 l -
Peak Torque - 1,200 rpm
2852 N·m -
Torque Rise
58 % -
Note (1)
Three engine emission options are available: 1. Meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards. 2. Meets Brazil MAR-1 emission standards, equivalent to U.S. EPA Tier 3 and EU Stage IIIA. 3. Meets China Nonroad Stage IV emission standards. -
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. -
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. -
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. -
Wheel Base
4550 mm -
Wheel Base
4550 mm
-
Operating Weight
51062 kg
-
Bucket Capacity Range
4.7-13 m3 (6.2-17 yd3) -
Rated Payload - Quarry Face
11.3 t -
Rated Payload - Loose Material
14.5 t -
Cat Truck Match - Standard
770 - 772 -
Cat Truck Match - High Lift
773 - 775
-
Transmission Type
Cat planetary powershift -
Forward - 1
6.5 km/h -
Forward - 2
11.6 km/h -
Forward - 3
20.4 km/h -
Forward - 4
34.7 km/h -
Reverse - 1
7.5 km/h -
Reverse - 2
13.3 km/h -
Reverse - 3
23.2 km/h -
Direct Drive - Forward 1
Lock-up disabled -
Direct Drive - Forward 2
12.5 km/h -
Direct Drive - Forward 3
22.3 km/h -
Direct Drive - Forward 4
39.3 km/h -
Direct Drive - Reverse 1
8 km/h -
Direct Drive - Reverse 2
14.3 km/h -
Direct Drive - Reverse 3
25.5 km/h
-
Lift/Tilt System - Circuit
EH- Positive Flow Control, Flow Sharing -
Lift/Tilt System - Pump
Variable displacement piston -
Relief Valve Setting - Lift/Tilt
32800 kPa -
Cylinders, Double Acting - Lift, Bore and Stroke
210 mm × 1050 mm (8.7 in × 41.3 in) -
Cylinders, Double Acting - Tilt, Bore and Stroke
266 mm × 685 mm (8.7 in × 27 in) -
Pilot System
Variable displacement piston -
Relief Valve Setting - Main
3800 kPa
-
Maximum Flow at 1,400-1,860 rpm
580 L/min
-
Rack Back
4.5 s -
Dump
2.2 s -
Lower Float Down
3.5 s
-
Raise
8 s
-
Total Hydraulic Cycle Time - Empty Bucket
18.2 s
-
Steering System - Circuit
Pilot, load sensing -
Steering System - Pump
Piston, variable displacement -
Maximum Flow at 1,400-1,600 rpm
270 L/min -
Relief Valve Setting - Steering
30000 kPa -
Total Steering Angle
86 ° -
Steering Cycle Times - High Idle
3.4 s -
Steering Cycle Times - Low Idle
5.6 s
-
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).
-
Front
Fixed -
Rear
Trunnion -
Oscillation Angle
13 °
-
Brakes
ISO 3450:2011
-
ROPS/FOPS
ROPS/FOPS meet ISO 3471:2008 and ISO 3449:2005 Level II standards
-
Operator Sound Pressure Level (ISO 6396:2008)
73 dB(A) -
Machine Sound Power Level (ISO 6395:2008)
111 dB(A) -
Operator Sound Pressure Level (ISO 6396:2008)*
72 dB(A) -
Machine Sound Power Level (ISO 6395:2008)**
109 dB(A) -
Operator Sound Pressure Level (ISO 6396:2008)
73 dB(A) -
Machine Sound Power Level (ISO 6395:2008)
112 dB(A) -
Operator Sound Pressure Level (ISO 6396:2008)*
72 dB(A) -
Machine Sound Power Level (ISO 6395:2008)**
110 dB(A)
-
Fuel Tank
712 l -
Cooling System
120 l -
Coolant (validated by test cell fill quantities)
125 l -
Crankcase
60 l -
Diesel Exhaust Fluid Tank (For Tier 4 Final/Stage V Only)
33 l -
Transmission
92 l -
Transmission - Validated by Test Cell Fill Quantities
110 l -
Differential - Final Drives - Front
186 l -
Differential - Final Drives - Rear
186 l -
Hydraulic System Factory Fill
475 l -
Hydraulic System - Tank Only
240 l
-
Note
• All non-road Tier 4 Final/Stage V 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).** • For pre-Tier 4 engines: Cat engines are compatible with diesel fuel blended with the following lower-carbon intensity fuels** up to: – 100% 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. * For use of blends higher than 20% biodiesel, consult your Cat dealer. ** Tailpipe greenhouse gas emissions from lower-carbon intensity fuels are essentially the same as traditional fuels.
-
Ground to Top of ROPS
4202 mm -
Ground to Top of Exhaust Stacks
4521 mm -
Ground to Top of Hood
3334 mm -
Maximum Overall Length
11991 mm -
Ground to Lower Hitch Clearance
568 mm -
Clearance at Maximum Lift
3641 mm -
Ground to Top of ROPS
4202 mm -
Ground to Top of Exhaust Stacks
4521 mm -
Ground to Top of Hood
3334 mm -
Maximum Overall Length
12398 mm -
Ground to Lower Hitch Clearance
568 mm -
Clearance at Maximum Lift
4043 mm
-
Rear Axle - Centerline to Bumper
3187 mm -
Front Axle Centerline to Bucket Tip
4254 -
B-Pin Height - Maximum Lift
5485 mm -
Maximum Overall Height - Bucket Raised
7455 mm -
Reach - Maximum Lift
1981 mm -
Rear Axle - Centerline to Bumper
3187 mm -
Front Axle Centerline to Bucket Tip
4661 mm -
B-Pin Height - Maximum Lift
5887 mm -
Maximum Overall Height - Bucket Raised
7849 mm -
Reach - Maximum Lift
2062 mm
Follow Us