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    988 Wheel Loader
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    986 Wheel Loader
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    Engine
    Engine Power - ISO 14396:2002 580 hp 449 hp -
    Engine Model Cat® C18 Cat® C15 -
    Rated Speed 1700/rpm 2000 -
    Peak Power Speed 1500/rpm 1600 -
    Gross Power - SAE J1995:2014 588 hp 456 hp -
    Net Power - SAE J1349:2011 538 hp 373 hp -
    Bore 5.7 in 5.4 in -
    Stroke 7.2 in 6.75 in -
    Displacement 1105 in³ 927 in² -
    Peak Torque - 1,200 rpm 2104 lbf·ft - -
    Torque Rise 58 % 16% -
    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 emissio Two 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. -
    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. 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. -
    Rated Speed - 2,000 rpm - EEC 80/1269 - 373 hp -
    Rated Speed - 2,000 rpm - ISO 9249 - 373 hp -
    Peak Torque (1,200 rpm) - SAE J1995:2014 - 1778 lb/ft -

    Operating Specifications
    Operating Weight 112574 lb - -
    Bucket Capacity Range 4.7-13 m3 (6.2-17 yd3) 5.0-10.3 m³ (6.5-13.5 yd³) -
    Rated Payload - Quarry Face 12.5 t - -
    Rated Payload - Loose Material 16 t - -
    Cat Truck Match - Standard 770 - 772 770/735/740/745 -
    Cat Truck Match - High Lift 773 - 775 772/773 -
    Operating Weight - Standard - 97785 lb -
    Operating Weight - High Lift - 104005 lb -
    Rated Payload - Standard (Quarry Face) - 11 ton (US) -
    Rated Payload - Loose Material (Standard) - 14 ton (US) -
    Rated Payload - High Lift (Quarry Face) - 11 ton (US) -
    Rated Payload - Loose Material (High Lift) - 12.1 ton (US) -

    Transmission
    Transmission Type Cat planetary powershift Cat planetary power shift -
    Forward - 1 4 mile/h 5 mile/h -
    Forward - 2 7.2 mile/h 8 mile/h -
    Forward - 3 12.7 mile/h - -
    Forward - 4 21.6 mile/h - -
    Reverse - 1 4.7 mile/h 5 mile/h -
    Reverse - 2 8.3 mile/h 8 mile/h -
    Reverse - 3 14.4 mile/h - -
    Direct Drive - Forward 1 Lock-up disabled - -
    Direct Drive - Forward 2 7.8 mile/h 8 mile/h -
    Direct Drive - Forward 3 13.9 mile/h 14 mile/h -
    Direct Drive - Forward 4 24.4 mile/h 24 mile/h -
    Direct Drive - Reverse 1 5 mile/h - -
    Direct Drive - Reverse 2 8.9 mile/h 9 mile/h -
    Direct Drive - Reverse 3 15.8 mile/h 16 mile/h -
    Direct Drive - Reverse 4 - 25.4 mile/h -

    Hydraulic System - Lift/Tilt
    Lift/Tilt System - Circuit EH- Positive Flow Control, Flow Sharing Load Sense -
    Lift/Tilt System - Pump Variable displacement piston 2 × 110 cc variable displacement -
    Maximum Flow at 1,400-1,860 rpm 153 gal/min - -
    Relief Valve Setting - Lift/Tilt 4757 psi 4050 psi -
    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 551 psi - -
    Maximum Flow at 2,165 rpm - 123 gal/min -
    Lift Cylinder - Bore - 7.5 in -
    Lift Cylinder - Stroke - 45 in -
    Tilt Cylinder - Bore - 6.7 in -
    Tilt Cylinder - Stroke - 28.4 in -

    Hydraulic Cycle Time (1,400-1,860 rpm)
    Rack Back 4.5 s - -
    Raise 8 s - -
    Dump 2.2 s - -
    Lower Float Down 3.5 s - -
    Total Hydraulic Cycle Time - Empty Bucket 18.2 s - -

    Hydraulic System - Steering
    Steering System - Circuit Pilot, load sensing Load Sense -
    Steering System - Pump Piston, variable displacement Piston, variable displacement -
    Maximum Flow at 1,400-1,600 rpm 71.3 gal/min - -
    Relief Valve Setting - Steering 4351 psi - -
    Total Steering Angle 86 ° 70° -
    Steering Cycle Times - High Idle 3.4 s - -
    Steering Cycle Times - Low Idle 5.6 s - -
    Maximum Flow at 1,400 rpm - 52 gal/min -
    Steering Cut Off Pressure - 4000 psi -

    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 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 co -

    Axles
    Front Fixed Fixed -
    Rear Trunnion Trunnion -
    Oscillation Angle 13 ° ±12.5° -
    Oscillation Angle - Chain Arrangement - ±8.5° -

    Brakes
    Brakes ISO 3450:2011 ISO 3450:2011 -

    Operator's Cab
    ROPS/FOPS ROPS/FOPS meet ISO 3471:2008 and ISO 3449:2005 Level II standards ROPS/FOPS meet ISO 3471:2008 (ROPS) and ISO 3449:2005 Level II (FOPS) -

    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) 111 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)** 109 dB(A) 110 dB(A) -
    Note (1) * For machines in European Union countries and in countries that adopt the “EU Directives” and “UK Directives.” * 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. ** 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. 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. 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. 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) 73 dB(A) 74 dB(A) -
    Machine Sound Power Level (ISO 6395:2008) 112 dB(A) 113 dB(A) -
    Operator Sound Pressure Level (ISO 6396:2008)* 72 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.” * 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. ** 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. 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. 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. 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 188 gal (US) 141 gal (US) -
    Cooling System 31.7 gal (US) - -
    Coolant (Validated by Test Cell Fill Quantities) 33 gal (US) - -
    Crankcase 15.9 gal (US) 9 gal (US) -
    Diesel Exhaust Fluid Tank (For Tier 4 Final/Stage V Only) 8.7 gal (US) - -
    Transmission 24.3 gal (US) 20 gal (US) -
    Transmission - Validated by Test Cell Fill Quantities 29 gal (US) - -
    Differential - Final Drives - Front 49.1 gal (US) - -
    Differential - Final Drives - Rear 49.1 gal (US) - -
    Hydraulic System Factory Fill 125.5 gal (US) 87 gal (US) -
    Hydraulic System - Tank Only 63.4 gal (US) 34 gal (US) -
    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 - -
    Fuel Tank - Short Lift - 127 gal (US) -
    Cooling Systems - 26 gal (US) -
    Diesel Exhaust Fluid Tank - 6 gal (US) -
    Axle Oil - Differentials and Final Drives - Front - 49 gal (US) -
    Axle Oil - Differentials and Final Drives - Rear - 45 gal (US) -

    Dimensions (Approximate) - Standard Lift Linkage
    Ground to Top of ROPS 13.8 ft 13.5 ft -
    Ground to Top of Exhaust Stacks 14.8 ft 13.3 ft -
    Ground to Top of Hood 10.9 ft 10.7 ft -
    Rear Axle - Centerline to Bumper 10.5 ft 10.3 ft -
    Front Axle Centerline to Bucket Tip 14 ft 13.8 ft -
    Wheel Base 14.9 ft 12.5 ft -
    Maximum Overall Length 39.3 ft 36.6 ft -
    Ground to Lower Hitch Clearance 1.9 ft 1.5 ft -
    Clearance at Maximum Lift 11.9 ft 10.1 ft -
    B-Pin Height - Maximum Lift 18 ft 16.1 ft -
    Maximum Overall Height - Bucket Raised 24.5 ft 22.4 ft -
    Reach - Maximum Lift 6.5 ft 7.1 ft -
    Ground to Center of Front Axle - 3.2 ft -
    Ground to Fuel Tank Clearance - 2.3 ft -
    Note -
    • All dimensions are approximate.
    • Specifications are calculated with a 6.1 m³ (8.0 yd³) rock bucket.
    		 -

    Dimensions (Approximate) - High Lift Linkage
    Ground to Top of ROPS 13.8 ft 13.5 ft -
    Ground to Top of Exhaust Stacks 14.8 ft 13.3 ft -
    Ground to Top of Hood 10.9 ft 10.7 ft -
    Rear Axle - Centerline to Bumper 10.5 ft 10.3 ft -
    Front Axle Centerline to Bucket Tip 15.3 ft 15.3 ft -
    Wheel Base 14.9 ft 12.5 ft -
    Maximum Overall Length 40.7 ft 38 ft -
    Ground to Lower Hitch Clearance 1.9 ft 1.5 ft -
    Clearance at Maximum Lift 13.3 ft 11.6 ft -
    B-Pin Height - Maximum Lift 19.3 ft 17.6 ft -
    Maximum Overall Height - Bucket Raised 25.8 ft 23.9 ft -
    Reach - Maximum Lift 6.8 ft 7.4 ft -
    Ground to Center of Front Axle - 3.2 ft -
    Ground to Fuel Tank Clearance - 2.3 ft -
    Note -
    • All dimensions are approximate.
    • Specifications are calculated with a 6.1 m³ (8.0 yd³) rock bucket.
    		 -

    Hydraulic Cycle Times
    Rack Back - 4.5 s -
    Raise - 9 s -
    Dump - 3.5 s -
    Lower - 5.2 s -
    Lower Float Down - 4.3 s -
    Total Hydraulic Cycle Time - 21.3 s -

    Dimensions (Approximate) - Quick Coupler and 6.1 m³ (8.0 yd³) Bucket
    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 -
    Ground to Center of Rear Axle - 3.2 ft -
    Ground to Fuel Tank Clearance - 2.3 ft -
    Ground to Lower Hitch Clearance - 1.5 ft -
    Reach at Maximum Lift - 8 ft -
    Clearance at Maximum Lift - 10.7 ft -
    B-Pin Height at Maximum Lift - 15 ft -
    Maximum Overall Height, Bucket Raised - 20.9 ft -
    Rear Axle Center Line to Bumper - 10.3 ft -
    Wheel Base - 12.5 ft -
    Maximum Overall Length - 35 ft -
    Front Axle Centerline to Bucket Tip - 12.2 ft -

    Dimensions (Approximate) - Quick Coupler and Fork
    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 -
    Ground to Center of Rear Axle - 3.2 ft -
    Ground to Fuel Tank Clearance - 2.3 ft -
    Ground to Lower Hitch Clearance - 1.5 ft -
    B-Pin Height at Maximum Lift - 15 ft -
    Rear Axle Center Line to Bumper - 10.3 ft -
    Wheel Base - 12.5 ft -
    Maximum Overall Length - 35.4 ft -
    Front Axle Centerline to Bucket Tip - 12.6 ft -
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