The Cat® 966M Wheel Loader offers significant fuel savings while lowering long-term costs. This machine meets emission standards and is designed to improve fuel economy without interrupting performance. The reliability, durability, and versatility results in a machine that is better built to meet your needs.
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Engine
Net Power - ISO 9249
276.0 HP
206.0 kW
Emissions
Tier 4/Stage IV
Tier 4/Stage IV
Maximum Net Power - 1,700 rpm - SAE J1349
276.0 HP
206.0 kW
Maximum Power - 1,800 rpm - SAE J1995 - Metric
315.0 HP
232.0 kW
Maximum Net Power - 1,700 rpm - SAE J1349 - Metric
280.0 HP
206.0 kW
Peak Gross Torque - 1,200 rpm - SAE J1995
1179.0 ft·lbf
1599.0 N·m
Maximum Power - 1,800 rpm - ISO 14396 - Metric
311.0 HP
229.0 kW
Displacement
568.0 in³
9.3 l
Maximum Power - 1,800 rpm - ISO 14396
307.0 HP
229.0 kW
Peak Gross Torque - 1,200 rpm - ISO 14396
1166.0 ft·lbf
1581.0 N·m
Maximum Power - 1,800 rpm - SAE J1995
311.0 HP
232.0 kW
Engine Model
Cat C9.3
Cat C9.3
Maximum Net Torque - 1,000 rpm
1126.0 ft·lbf
1527.0 N·m
Maximum Net Power - 1,700 rpm - ISO 9249 - Metric
280.0 HP
206.0 kW
Maximum Net Power - 1,700 rpm - ISO 9249
276.0 HP
206.0 kW
Note
The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.6 kg of refrigerant which has a CO2 equivalent of 2.288 metric tonnes.
The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.6 kg of refrigerant which has a CO2 equivalent of 2.288 metric tonnes.
Weights
Operating Weight
51176.0 lb
23220.0 kg
Note
Weight based on a machine configuration with Michelin 26.5R25 XHA2 L3 radial tires, full fluids, operator, standard counterweight, cold start, roading fenders, Product Link™, manual diff lock/open axles (front/rear), power train guard, secondary steering, sound suppression and a 4.2 m³ (5.5 yd³) general purpose bucket with BOCE.
Weight based on a machine configuration with Michelin 26.5R25 XHA2 L3 radial tires, full fluids, operator, standard counterweight, cold start, roading fenders, Product Link™, manual diff lock/open axles (front/rear), power train guard, secondary steering, sound suppression and a 4.2 m³ (5.5 yd³) general purpose bucket with BOCE.
Buckets
Bucket Capacities
3.20-7.40 m³ (4.19-9.68 yd³)
3.20-7.40 m³ (4.19-9.68 yd³)
Operating Specifications
Static Tipping Load - Full 37° Turn - With Tire Deflection
32329.0 lb
14668.0 kg
Static Tipping Load - Full 37° Turn - No Tire Deflection
34873.0 lb
15822.0 kg
Breakout Force
38984.0 lbf
173.0 kN
Note (2)
Full compliance to ISO 143971:2007 Sections 1 thru 6, which requires 2% verification between calculations and testing.
Full compliance to ISO 143971:2007 Sections 1 thru 6, which requires 2% verification between calculations and testing.
Note (1)
For a machine configuration as defined under "Weight."
For a machine configuration as defined under "Weight."
Transmission
Forward - 1
4.0 mile/h
6.5 km/h
Forward - 3
14.6 mile/h
23.5 km/h
Reverse - 2
8.9 mile/h
14.4 km/h
Forward - 4
24.5 mile/h
39.5 km/h
Reverse - 4
24.5 mile/h
39.5 km/h
Forward - 2
8.1 mile/h
13.0 km/h
Reverse - 3
16.1 mile/h
25.9 km/h
Reverse - 1
4.4 mile/h
7.1 km/h
Note
Maximum travel speed in standard vehicle with empty bucket and standard L3 tires with 826 mm (32.5 in) roll radius.
Maximum travel speed in standard vehicle with empty bucket and standard L3 tires with 826 mm (32.5 in) roll radius.
Hydraulic System
Implement System - Maximum Operating Pressure
4496.0 psi
31000.0 kPa
Hydraulic Cycle Time - Total
10.1 s
10.1 s
Implement System - Maximum Pump Output at 2,200 rpm
95.0 gal/min
360.0 l/min
Implement Pump Type
Variable Displacement Piston
Variable Displacement Piston
Service Refill Capacities
Fuel Tank
79.8 gal (US)
302.0 l
Differential - Final Drives - Front
15.1 gal (US)
57.0 l
Crankcase
6.5 gal (US)
24.5 l
Transmission
14.3 gal (US)
54.0 l
Differential - Final Drives - Rear
15.1 gal (US)
57.0 l
Hydraulic Tank
33.0 gal (US)
125.0 l
DEF Tank
4.4 gal (US)
16.8 l
Cooling System
18.9 gal (US)
71.6 l
Sound
With Cooling Fan Speed at Maximum Value - Operator Sound Pressure Level (ISO 6396:2008)
70.0 dB(A)
70.0 dB(A)
With Cooling Fan Speed at Maximum Value - Exterior Sound Pressure Level (SAE J88:2013)
76 dB(A)*
76 dB(A)*
With Cooling Fan Speed at Maximum Value - Exterior Sound Power Level (ISO 6395:2008)
109.0 dB(A)
109.0 dB(A)
With Cooling Fan Speed at 70% of Maximum Value - Operator Sound Pressure Level (ISO 6396:2008)**
69.0 dB(A)
69.0 dB(A)
Note (3)
***European Union Directive 2000/14/EC as amended by 2005/88/EC.
***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 (ISO 6395:2008)**
108 LWA***
108 LWA***
Note (1)
*Distance of 15 m (49.2 ft), moving forward in second gear ratio.
*Distance of 15 m (49.2 ft), moving forward in second gear ratio.
Note (2)
**For machines in European Union countries and in countries that adopt the EU Directives.
**For machines in European Union countries and in countries that adopt the EU Directives.
Dimensions - High Lift
Tread Width
7.33 ft
2230.0 mm
Hinge Pin Height at Maximum Lift
15.75 ft
4793.0 mm
Hinge Pin Height at Carry
2.58 ft
778.0 mm
Ground Clearance
1.42 ft
434.0 mm
Overall Length - Without Bucket
26.58 ft
8109.0 mm
Height - Top of ROPS
11.75 ft
3587.0 mm
Lift Arm Clearance at Maximum Lift
13.58 ft
4140.0 mm
Centerline of Rear Axle to Edge of Counterweight
8.17 ft
2500.0 mm
Rack Back at Ground
39 degrees
39 degrees
Height - Top of Hood
9.25 ft
2818.0 mm
Centerline of Rear Axle to Hitch
5.83 ft
1775.0 mm
Note
All dimensions are approximate and based on L3 XHA2 tires.
All dimensions are approximate and based on L3 XHA2 tires.
Height - Top of Exhaust Pipe
11.58 ft
3522.0 mm
Maximum Width over Tires
9.83 ft
3009.0 mm
Wheel Base
11.67 ft
3550.0 mm
Rack Back - Maximum Lift
71 degrees
71 degrees
Rack Back - Carry Height
49 degrees
49 degrees
Dimensions - Standard Lift
Hinge Pin Height at Maximum Lift
13.92 ft
4235.0 mm
Ground Clearance
1.42 ft
434.0 mm
Centerline of Rear Axle to Hitch
5.83 ft
1775.0 mm
Lift Arm Clearance at Maximum Lift
11.92 ft
3643.0 mm
Height - Top of ROPS
11.75 ft
3587.0 mm
Height - Top of Exhaust Pipe
11.58 ft
3522.0 mm
Rack Back - Maximum Lift
62 degrees
62 degrees
Wheel Base
11.67 ft
3550.0 mm
Tread Width
7.33 ft
2230.0 mm
Note
All dimensions are approximate and based on L3 XHA2 tires.
All dimensions are approximate and based on L3 XHA2 tires.
Hinge Pin Height at Carry
2.08 ft
630.0 mm
Centerline of Rear Axle to Edge of Counterweight
7.17 ft
2180.0 mm
Overall Length - Without Bucket
23.92 ft
7289.0 mm
Height - Top of Hood
9.25 ft
2818.0 mm
Maximum Width over Tires
9.83 ft
3009.0 mm
Rack Back at Ground
42 degrees
42 degrees
Rack Back - Carry Height
50 degrees
50 degrees
Bucket Capacities
Bucket Range
3.20-7.40 m³ (4.19-9.68 yd³)
3.20-7.40 m³ (4.19-9.68 yd³)
Engine - Tier 4 Final/Stage IV
Emissions
Tier 4/Stage IV
Tier 4/Stage IV