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798 AC

Mining Trucks

The Cat® 798 AC electric drive truck is designed to haul more — with more efficiency, controllability, and reliability than any other electric drive truck in the marketplace. And while it may be a recent addition to the Cat ultra-class lineup, it delivers the same powerful, proven performance you expect from a Cat truck. The 798 AC delivers a payload up to 372 tonnes (410 tons), high speed on grade, easier maintenance, and excellent electric retarding and brake performance. The result? Improved productivity, high availability, and more confident operators.

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Gross Power - SAE J1995 2610 kW
Net Power - SAE J1349 2539 kW
Nominal Rated Payload 372 t
Engine Model Cat® C175-16
Availability Contact Dealer
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798 AC
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OVERVIEW

Hauls More - More Efficiently and Reliably

FEATURES & BENEFITS

SAFETY

Greater visibility thanks to wide field of view from the cab and radial retard grid that improves right-hand view.Safer access and egress with 600-mm-wide (23.6-in-wide)... Read more

PRODUCTIVITY

The most efficient electric drive truck in its size class — moving more tonnes per liter (tons per gallon) and hauling more material faster—so you can move more over the... Read more

OPERATOR COMFORT

Ergonomic cab layout, excellent all-around visibility, and controls, levers and switches that are positioned for ease of use.Automatic climate control and reduced vibrati... Read more

SERVICEABILITY

High displacement, low rpm rating and conservative horsepower ratings, which mean more time on the haul road and less time in the shop.Inlet manifolds and turbochargers t... Read more

DURABILITY AND LONG LIFE

First overhaul life of 25,000 hours for lower cost of ownership, with proven C175 engine and electric drive system.Highly validated and proven straight frame rail design... Read more

PROVEN AC DRIVE & POWERTRAIN

High voltage system that operates at lower current than most competitive trucks, contributing to higher efficiency, lower heat generation, smaller and lighter components,... Read more

SUSTAINABILITY

Designed to use less fuel, which reduces engine emissions and carbon footprint.Optional U.S. EPA Tier 4 Final / EU Stage V engine, which reduces NOx by 62% and particulat... Read more

TECHNOLOGY SOLUTIONS

Equipped with standard Product Link™ Elite monitoring system, which delivers health and payload information to keep performance high and enable proactive maintenance plan... Read more

CAT BODIES

Bodies designed to fit with the chassis, sized to meet payload requirements and work as part of the truck system.High Efficiency (HE) dump body option that is lightweight... Read more

SPECIFICATIONS FOR 798 AC

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Engine
Gross Power - SAE J1995 2610 kW
Net Power - SAE J1349 2539 kW
Engine Model Cat® C175-16
Optional Gross Power - SAE J1995 2312 kW
Rated Speed 1800 r/min
Emissions Rating Fuel Optimized
Bore 175 mm
Stroke 220 mm
Displacement 85 l
Note (1) Net Power advertised is the power available at the flywheel when the engine is equipped with air intake system, exhaust system, and alternator.
Note (2) U.S. EPA Tier 4 Final / EU Stage V available for applicable markets.
Note (3) Additional fuel optimized selectable power ratings: 2312 kW / 3,100 hp
Weights - Approximate
Nominal Rated Payload 372 t
Rated Gross Machine Weight 623690 kg
Chassis Weight 205852 kg
Body Weight Range 38 833 - 43 275 kg (85,611 - 95,406 lb)
Note (1) Consult your tire manufacturer for maximum tire load.
Note (2) Chassis weight with 100% fuel, hoist, body mounting group, rims, and tires.
Note (3) Body weight varies depending on how body is equipped.
Engine - High Altitude Only
Engine Model Cat® C175-20
Gross Power SAE J1995:2014 3095 kW
Net Power - SAE J1349:2011 2983 kW
Rated Speed 1750 r/min
Emissions Rating Fuel Optimized
Bore 175 mm
Stroke 220 mm
Displacement 106 l
Note 1 Net Power advertised is the power available at the flywheel when the engine is equipped with air intake system, exhaust system, and alternator.
Note 2 Additional fuel optimized selectable power rating: 2983 kW / 4,000 hp
Weight Distributions - Approximate
Front Axle - Empty 47 %
Rear Axle - Empty 53 %
Front Axle - Loaded 33 %
Rear Axle - Loaded 67 %
Note Weight distributions optimized with Cat body.
AC Drive System
Total Reduction Ratio 35:01:00
Top Speed - Loaded 64 km/h
Generator/Alternator Brushless, engine mounted, dual bearing
Controls IGBT Inverter Technology, air cooled, pressurized cabinet with filtration
Wheel Motor Cat high-torque AC induction, rear axle mounted
Cooling System Cat variable speed, hydraulically driven cooling system
Tires
Rims 44" x 63" Rims
Standard Tires 59/80 R63
Note (1) Quick Change Rims optional.
Note (2) Caterpillar recommends the customer evaluate all job conditions and consult tire manufacturer for proper tire selection and TKPH (TMPH) capabilities.
Braking System
Service Brakes Four-Corner, Wet Disc, Oil Cooled, Hydraulically Actuated
Front Wet Disc Brake Surface Area 146081 cm²
Rear - Wet Disc Brake Surface Area 211163 cm²
Standards Service and Secondary: ISO 3450:2011
Electric Retarding Radial Grid Design
Dynamic Retarding Power - Continuous 4086 kW
Parking Brakes Four-corner, Multi-disc, Spring Applied, Hydraulically Released
Load Brake Rear service brakes
Note Anti-Lock Brake System (ABS) optional with CMD package
Capacity - HE Body - 100% fill factor
Struck 129-200 m³ (168-261 yd³)
Heaped (SAE 2:1) 218-276 m³ (285-361 yd³)
Note Contact your local Cat dealer for body recommendations.
Body Hoists
Type Twin, two-stage hydraulic cylinders with snubbing valve.
Pump Flow - High Idle 964 l/min
Relief Valve Setting - Raise 20884 kPa
Body Raise Time - High Idle 21 s
Body Lower Time - Float 22 s
Body Power Down- High Idle 17.5 s
Note (1) Twin, two-stage hydraulic cylinders mounted outside main frame; double-acting cylinders in both stages.
Note (2) Power raise in both stages; power down capability in both stages.
Note (3) Automatic body-lower modulation reduces impact on frame.
Suspension
Type Self-contained nitrogen/oil cylinders, pin-to-pin mounting, top & bottom double shear clevis attachments
Effective Cylinder Stroke - Front 254 mm
Effective Cylinder Stroke - Rear 133.35 mm
Service Refill Capacities
Fuel Tank 4922 l
Fuel Tank (Tier 4) 4542 l
Diesel Exhaust Fluid Tank 379 l
Cooling System 799 l
Crankcase 310 l
Final Drive - Each 254 l
Hydraulic System - Including Tank 1458 l
Hydraulic Tank 1121 l
Grease Tank 41 kg
Note (1) DEF Tank only available for U.S. EPA Tier 4 Final / EU Stage V engine option
Service Refill Capacities - High Altitude Only
Fuel Tank 7571 l
Cooling System 1032 l
Crankcase 471 l
Hydraulic Tank 1032 l
Hydraulic System (includes tank) 1296 l
Cab
Air Conditioning HFC - 134A refrigerant: 21,600 Btu/h
Heater / Defroster 24600 Btu/h
Note Ambient capabilities down to -15C (5F) for heater/defroster and up to 50C (122F) for air conditioning.
ROPS Standards (1) ROPS (Rollover Protective Structure) meets ISO 3471:2008 for Operator and ISO 13459:2012 for Trainer.
ROPS Standards (2) ROPS (Rollover Protective Structure) meets ISO 3471:2008 for Operator and ISO 13459:2012 for Trainer.
FOPS Standards FOPS (Falling Objects Protective Structure) meets ISO 3449:2005 Level II for Operator and ISO 13459:2012 Level II for Trainer.
Steering
Steer Angle 39 °
Turning Diameter - Front 32.4 m
Steering Standards Steering Standards: ISO 5010:2007
Note Turning Diameter (ISO 7457:1997)
Dimensions (Approximate)
Height - Top of ROPS 6720 mm
Overall Length 15679 mm
Wheel Base 6674 mm
Rear Axle - Tail 4898 mm
Dump Clearance - Empty 1744 mm
Loading Height - Empty 7784 mm
Overall Height - Body Raised 14890 mm
Centerline Front Tire Width 7028 mm
Front Axle Clearance - Loaded 855 mm
Overall Canopy Width (with rock deflectors) 10103 mm
Outside Body/Canopy Width (without rock deflectors) 9639 mm
Inside Body Width 8973 mm
Front Canopy Height - Empty 7928 mm
Rear Axle Clearance - Loaded 854 mm
Centerline of Rear Dual Tire Width 5943 mm
Overall Tire Width - Empty 9226 mm
Overall Length (High Altitude only) 15810 mm
Note Dimensions listed includes canopy deflectors
Sound
Sound Standards The operator sound pressure level, 75 dB(A), measured according to ISO 6394:2008 and ISO 6396:2008.

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Gross Power - SAE J1995 2610 kW
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