This unit includes a general purpose bucket, maintenance package, connectivity, remote monitoring of the machine and your own team of product experts from Holt of California

The Cat® 966 Wheel Loader brings premium performance with simple-to-use technologies as a standard offering, boosting operator efficiencies and delivering increased productivity. Extended service intervals lower maintenance costs. Improved performance, reliability, durability, and versatility result in a machine that is better built to meet your needs.

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Engine Power @ 1,600 rpm - ISO 14396:2002 321HP
Gross Power @ 1,600 rpm - SAE J1995:2014 325HP
Engine Model Cat C9.3B
Net Power @ 1,600 rpm - ISO 9249:2007, SAE J1349:2011 303HP
Note (1) Cat engine meets U.S. EPA Tier 4 Final, EU Stage V, Korea Stage V, China Nonroad Stage IV and Japan 2014 emission standards.
Note (2) The net power advertised is the power available at the flywheel when the engine is equipped with fan, alternator, air cleaner, and aftertreatment.
Net Torque @ 1,200 rpm - ISO 9249:2007, SAE J1349:2011 1255ft-lb
Engine Torque @ 1,200 rpm – ISO 14396:2002 1313lb/ft
Gross Torque @ 1,200 rpm – SAE J1995:2014 1327lb/ft
Note (3) Cat 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 (h
Displacement 9.3 L


Operating Weight 51124lb
Note Weight based on a machine configuration with Bridgestone 29.5R25 VSNT L4 radial tires, full fluids, operator, standard counterweight, ride control cold start, roading fenders, Product Link, open differential axles (front/rear), secondary steering, sound s

Bucket Capacities

Bucket Range 2.8-11.9 m³ 3.75-15.5 yd³


Forward - 1 4.2mile/h
Forward - 2 8.4mile/h
Forward - 3 15mile/h
Forward - 4 24.5mile/h
Note Maximum travel speed in standard vehicle with empty bucket and standard L3 tires with 849 mm (33 in) roll radius.
Reverse - 1 4.5mile/h
Reverse - 2 9.2mile/h
Reverse - 3 16.5mile/h
Reverse - 4 24.5mile/h


Note (1) ** For machines in European Union countries and in countries that adopt the EU Directives.
Note (2) ***European Union Directive 2000/14/EC as amended by 2005/88/EC.
With Cooling Fan Speed at 70% of Maximum Value - Exterior Sound Power Level* 108
With Cooling Fan Speed at 70% of Maximum Value - Operator Sound Pressure Level (ISO 6396:2008) 69dB(A)
With Cooling Fan Speed at Maximum Speed - Exterior Sound Power Level (ISO 6395:2008) 109dB(A)
With Cooling Fan Speed at Maximum Speed - Exterior Sound Pressure Level (SAE J88:2013) 76
With Cooling Fan Speed at Maximum Speed - Operator Sound Pressure Level (ISO 6396:2008) 70dB(A)
With Cooling Fan Speed at Maximum Value - Note Distance of 15 m (49.2 ft), moving forward in second gear ratio.

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 1.6 kg (3.5 lb) of refrigerant which has a CO2 equivalent 2.288 metric tonnes (2.522 tons).

Operating Specifications

Breakout Force 38999lb
Note (1) For a machine configuration as defined under Weight.
Note (2) Full compliance to ISO 14397-1:2007 Sections 1 thru 6, which requires 2% verification between calculations and testing.
Static Tipping Load - Full 40° Turn - No Tire Deflection 15981kg
Static Tipping Load - Full 40° Turn - With Tire Deflection 32727lb

Service Refill Capacities

Cooling System 17.4gal (US)
Crankcase 6.1gal (US)
DEF Tank 6.9gal (US)
Differential - Final Drives - Front 15.1gal (US)
Differential - Final Drives - Rear 15.1gal (US)
Fuel Tank 80.1gal (US)
Hydraulic Tank 30.1gal (US)
Transmission 15.5gal (US)

Hydraulic System

Implement System - Maximum Operating Pressure 4496psi
Implement System - Maximum Pump Output at 2,250 rpm 99gal/min
Hydraulic Cycle Time - Total 10.1 seconds


Note All dimensions are approximate and based on machine equipped with 5.4 m3 (7.1 yd3) general purpose bucket with BOCE and Bridgestone 29.5R25 VSNT L4 radial tires.

Dimensions - High Lift

Centerline of Rear Axle to Edge of Counterweight 8.1ft
Centerline of Rear Axle to Hitch 5.1ft
Ground Clearance 1.4ft
Height - Top of Exhaust Pipe 11.8ft
Height - Top of Hood 9.5ft
Height - Top of ROPS 11.1ft
Hinge Pin Height at Carry 2.6ft
Hinge Pin Height at Maximum Lift 15.9ft
Lift Arm Clearance at Maximum Lift 13.8ft
Overall Length - Without Bucket 26.6ft
Tread Width 7.3ft
Wheel Base 11.8ft
Rack Back - Carry Height 49 degrees
Rack Back - Maximum Lift 71 degrees
Width over Tires (Loaded) 9.11ft
Rack Back at Ground 37 degrees

Dimensions - Standard Lift

Centerline of Rear Axle to Edge of Counterweight 7.7ft
Centerline of Rear Axle to Hitch 5.1ft
Ground Clearance 424mm
Height - Top of Exhaust Pipe 3531mm
Height - Top of Hood 2850mm
Height - Top of ROPS 3593mm
Hinge Pin Height at Carry 2ft
Hinge Pin Height at Maximum Lift 4245mm
Lift Arm Clearance at Maximum Lift 3687mm
Overall Length - Without Bucket 7399mm
Tread Width 7.3ft
Wheel Base 3550mm
Rack Back - Carry Height 50 degrees
Width over Tires (Loaded) 9.11ft
Rack Back - Maximum Lift 62 degrees
Rack Back at Ground 39 degrees

Standard Equipment

Operator Environment
  • Cab, pressurized, sound suppression
  • EH implement controls, parking brake
  • Steering, joystick
  • Seat, cloth, air suspension
  • Touchscreen display
  • Visibility: mirrors, rear-vision camera
  • Air conditioner, heater, defroster (auto temp, fan)
  • Sun visor, front, retractable
  • Sun visor, rear, retractable
  • Window cleaning platform, front
  • Window, front, laminated
On-board Technologies
  • Cat Payload scale
  • Autodig with Auto Set Tires
  • Operator ID & machine security
  • Application Profiles
  • Job Aids
  • Controls Help and eOMM
Power Train
  • Cat C9.3B engine
  • Electric fuel priming pump
  • Fuel-water separator and secondary fuel filter
  • Engine, air precleaner
  • Axles, front differential lock
  • Transmission, planetary, automatic powershift
  • Torque converter with lock-up
  • Service brakes, hydraulic, fully enclosed wet disc, wear indicators
  • Integrated Braking System (IBS)
  • Park brake, caliper on front axles, spring applied-pressure released
  • Implement system, load sensing with variable displacement piston pump
  • Steering system, load sensing with dedicated variable displacement piston pump
  • Ride control, dual accumulators
  • Oil sampling valves, Cat XT hoses
  • Starting and charging system, 24V
  • Starter, electric, heavy duty
  • Lights: halogen, 4 work lights, 2 front roading lights with turn signals, 2 rearvision lights
Monitoring System
  • Front dash with analog gauges, LCD display, and warning lights
  • Primary touchscreen monitor (Cat Payload, quad screens, machine settings & messages)
  • Standard lift, Z-bar
  • Kickouts: lift and tilt

Optional Equipment

Operator Environment
  • Door, remote opening system
  • HMU steering wheel
  • Entertainment radio (FM, AM, USB, BT)
  • Entertainment radio (DAB+)
  • CB radio ready
  • Seat, suede/cloth, air suspension, heated
  • Seat, leather/cloth, air suspension, heated/ cooled
  • Multiview (360�) vision system
  • Cat Detect rear radar system
  • Dedicated rearview screen
  • Mirrors, heated
  • Full cab window guard
On-board Technologies
  • Cat Advanced Payload
  • Cat Payload Printer
Power Train
  • Turbine, air precleaner
  • Radiator, high debris
  • Cooling fan, reversible
  • Axles, auto differential locks front and rear
  • Axles, ecology drains, AOC ready, extreme temperature seals
  • Axles, oil cooler
  • 3rd and 4th auxiliary functions with ride control
  • Quick coupler control
  • Cold start, 120V or 240V
  • Lights: LED
  • Warning beacon
Monitoring System
  • Reversing strobe lights
  • High lift, Z-bar
Additional Equipment
  • Cat Autolube system
  • Fenders, extensions or roading
  • Guards: power train, crankcase, cab, cylinders, rear
  • Biodegradable hydraulic oil
  • High-speed oil change system
  • Rear cab access
  • Toolbox
  • Wheel chocks
  • Secondary steering system, electrical
Special Configurations
  • Aggregate handler
  • Waste and industrial
  • Forestry
  • Tunnelling
  • Corrosion resistant