Cat® wheel loaders set the standard for productivity, fuel efficiency and operator comfort. The Cat 906 Compact Wheel Loader has a high torque C2.8 engine that works in conjunction with an intelligent hystat power train to deliver exceptional fuel efficiency. “Shift on the go” locking differentials and hydrostatic transmission provide smooth and powerful operation while increasing the efficiency of machine cycles.
Maximum Gross Power 74.7 HP
Operating Weight 12628 lb
Bucket Capacities 0.75-1.55 m³ (1.0-2.0 yd³)
Recyclability 93%
Bore 3.54in
Displacement 171in³
Engine Model Cat C2.8*
Maximum Engine Speed 2550 rpm
Maximum Gross Power 74.7HP
Maximum Gross Power - ISO 14396 74.3HP
Maximum Gross Power - ISO 14396 (metric) 75.3mhp
Maximum Gross Power - Rated Engine Speed 2400r/min
Maximum Gross Power - SAE J1995 74.7HP
Maximum Gross Torque - ISO 14396 221lb/ft
Maximum Gross Torque - SAE J1995 222lb/ft
Maximum Net Torque - ISO 9249 217lb/ft
Maximum Net Torque - SAE J1349 218lb/ft
Note Advertised power is tested per the specified standard in effect at the time of manufacture.
Note (1) Net power advertised is the power available at the flywheel.
Note (2) *Two Cat C2.8 engine emission options are available: 1) Meets U.S. EPA Tier 4 Final, EU Stage V. 2) U.S. EPA Tier 3 and EU Stage IIIA equivalent. Tier 3 engine specs are 0.3 kW/0.4 hp more gross power (SAE J1995), 0.2 kW/0.3 hp on net power (SAE J1349) an
Note (3) #Maximum gross and net torque measured at 1,600 rpm.
Rated Net Power - 2,400 rpm - ISO 9249 (metric) 73.1mhp
Rated Net Power - ISO 9249 72.1HP
Rated Net Power - Rated Engine Speed 2400r/min
Rated Net Power - SAE J1349 72.7HP
Stroke 4.33in
Operating Weight 12628lb
Bucket Capacities 0.75-1.55 m³ (1.0-2.0 yd³)
Bucket Capacities - General Purpose 0.80-1.35 m³ (1.0-1.7 yd³)
Bucket Capacities - Light Material 1.25-1.55 m³ (1.6-2.0 yd³)
Multi-Purpose 0.75-1.1 m³ (1.0-1.4 yd³)
Note Bucket selection must be made with an understanding of the material density and application to ensure machine stability is maintained within the tipping loads stated per model and configuration.
Note (1) Bucket capacities stated include BOCE, in line with ISO 7546.
Recyclability 93%
Axles - Front Center Differential 2.3Gal
Axles - Rear Center Differential 2.3Gal
Cooling System 3.2Gal
Engine Crankcase 2.3Gal
Fuel Tank 18.5Gal
Hydraulic System - Including Tank 17.8Gal
Hydraulic Tank 11.8Gal
Note No Diesel Exhaust Fluid (DEF) fluid needed on this size engine.
Transmission 0.6Gal
Front Fixed (standard) Locking Differential (optional)
Note Oscillation of ±11 degrees via hitch between front and rear frames.
Rear Fixed (standard) Locking Differential (optional)
Maximum Flow - Steering Pump 12.3gal/min
Maximum Working Pressure - Steering Pump 3336psi
Number of Steering Wheel Turns - Full Left to Full Right or Full Right to Full Left 3.25 turns or 4.00 turns
Steering Articulation Angle - Each Direction 39°
Steering Cycle Times – (full left to full right) – at High Idle 2.8s
Note *This tire has been used for all dimension, stability and performance data.
Note (1) Other tire choices are available. Contact your Cat dealer for details.
Note (2) In certain applications, the loader’s productive capabilities may exceed the tire’s tonnes-km/h (ton-mph) capabilities.
Note (3) Caterpillar recommends that you consult a tire supplier to evaluate all conditions before selecting a tire model.
Tire Size - Optional 405/70 R18 Powerloads
Tire Size - Optional (1) 340/80 R18 XMCL/Bibload
Tire Size - Optional (2) 340/80 R18 TRI 2
Tire Size - Optional (3) 40X14-20 TL, SM/TR
Tire Size - Optional 4 340/80 R18 Duraforce
Tire Size - Standard *405/70 R18 SPT9
FOPS ISO 3449:2005 Level II
Note (1) Canopy and cab, Rollover Protective Structures (ROPS) are available worldwide. Canopy not available in EU.
ROPS ISO 3471:2008
Forward and Reverse - Speed Range 1* 6mile/h
Forward and Reverse - Speed Range 2** - High Speed 10.5mile/h
Forward and Reverse - Speed Range 2** - Standard 12mile/h
Forward and Reverse - Speed Range 3*** 25mile/h
Forward and Reverse - Speed Range Creep# 6mile/h
Note #Factory default shown, can be adjusted to any speed up to 19 km/h (12 mph).
Note (1) *Creep function not available in this gear or above.
Note (2) **Max speed dependent on model and configuration (standard vs. high speed transmission).
Note (3) ***Reverse is 30 km/h (19 mph).
Hydraulic Cycle Time - Dump 1.6s
Hydraulic Cycle Time - Float Down 2.8s
Hydraulic Cycle Time - Lift 5s
Hydraulic Cycle Time - Rackback 2.2s
Main Relief - 1st Auxiliary (3rd slice) 3408psi
Main Relief - 1st Auxiliary (3rd slice) - High Flow* 32gal/min
Main Relief - 1st Auxiliary (3rd slice) - Standard Flow* 21gal/min
Main Relief - 2nd Auxiliary (4th slice) 3408psi
Main Relief - 2nd Auxiliary (4th slice) - Flow 12gal/min
Note * Maximum flow stated, actual flow delta could be 6% from data shown. Also adjustable from 20% to 100% of maximum flow through display.
80% of Tip: Firm and Level EN474-3 †† 4970lb
Articulation Angle - Degrees 39°
Carry Height: Bucket Pin 1.17ft
Clearance - Bucket at 45° 7.83ft
Clearance - Level Bucket 9.92ft
Clearance: Load over Height** 9.5ft
Departure Angle - Degrees 30°
Dig Depth 0.25ft
Dump Angle at Full Lift 50°
Height - Bucket Pin 10.67ft
Height - Ground Clearance 1ft
Height - Ground to Cab 8.08ft
Height: Ground Axle Center** 1.58ft
Height: Ground to Beacon** 8.67ft
Height: Overall** 13.83ft
Length - Overall with Bucket 18.17ft
Length - Wheel Base 7.08ft
Length: Front Axle to Front of Coupler 4.33ft
Length: Hitch to Front Axle 3.58ft
Length: Rear Axle to Bumper 4.58ft
Note (1) *Vary with bucket
Note (2) **Vary with tire
Note (3) ^Horizontal Pin Lock Coupler (HPL-V) or Vertical Pin Coupler (SSL), 0.95 m3 (1.2 yd3) general purpose bucket.
Note (4) ^^Horizontal Pin Lock Coupler (HPL-V) or Vertical Pin Coupler (SSL), class II carriage, 1220 mm (4 ft) tines (500 mm [20 in] load center).
Note (5) †Full compliance to ISO 14397-1 (2007) Sections 1 thru 6 (fork 500 mm [20 in] load center), which requires 2% verification between calculation and testing.
Note (6) ††Full compliance to EN474-3 and SAE J1197.
Note (7) #HPL-A weight, tipping and rated loads are within 1% of the HPL-V.
Note (8) Dimensions listed are for a machine configured with standard cab, heater, 20 km/h (12 mph), standard guarding, 80 kg (176 lb) operator, full fluids, SPT9EM 405/70 R18 tires and 0.95 m3 (1.2 yd3) general purpose bucket with bolt-on cutting edge or a class
Note (9) Note: Goodyear POWERLOAD® tires can add up to approximately 140 kg (305 lb) to the full turn tip load and reduce vertical height by approximately 25 mm (1 in) compared to SPT9.
Operating Weight: Bucket ^ 12863lb
Operating Weight: Carriage and Tines ^^ 12434lb
Rack Angle at Carry 46°
Rack Angle at Full Lift 51°
Reach - Bucket at 45° 2.67ft
Tipping Load - Full Turn † 2818kg
Tipping Load - Straight † 7359lb
Tipping Load – Full Turn – ISO 14397-1 † 7220lb
Tipping Load – Straight – ISO 14397-1 † 8613lb
Turning Radius - Inside Tire 6.75ft
Turning Radius - Over Bucket 14.67ft
Turning Radius: Outside of Tires 12.92ft
Width - Bucket 6.17ft
Width - Over Tires 6.07ft
Width - Tread Center 4.67ft
80% of Tip: Firm and Level EN474-3 †† 5211lb
Articulation Angle - Degrees 39°
Carry Height: Bucket Pin 1.08ft
Clearance: Bucket at 45° * 8.25ft
Clearance: Level Bucket** 9.92ft
Clearance: Load over Height** 9.5ft
Departure Angle - Degrees 30°
Dig Depth** 0.33ft
Dump Angle at Full Lift 45°
Height: Bucket Pin** 10.67ft
Height: Ground Axle Center** 1.58ft
Height: Ground Clearance** 1ft
Height: Ground to Beacon** 8.67ft
Height: Ground to Cab** 8.08ft
Height: Overall** 13.5ft
Length: Front Axle to Front of Coupler 3.5ft
Length: Hitch to Front Axle 3.58ft
Length: Overall* 17.58ft
Length: Rear Axle to Bumper 4.58ft
Length: Wheel Base 7.08ft
Note (1) *Vary with bucket
Note (2) **Vary with tire
Note (3) ^Horizontal Pin Lock Coupler (HPL-V) or Vertical Pin Coupler (SSL), 0.95 m3 (1.2 yd3) general purpose bucket.
Note (4) ^^Horizontal Pin Lock Coupler (HPL-V) or Vertical Pin Coupler (SSL), class II carriage, 1220 mm (4 ft) tines (500 mm [20 in] load center).
Note (5) †Full compliance to ISO 14397-1 (2007) Sections 1 thru 6 (fork 500 mm [20 in] load center), which requires 2% verification between calculation and testing.
Note (6) ††Full compliance to EN474-3 and SAE J1197.
Note (7) #HPL-A weight, tipping and rated loads are within 1% of the HPL-V.
Note (8) Dimensions listed are for a machine configured with standard cab, heater, 20 km/h (12 mph), standard guarding, 80 kg (176 lb) operator, full fluids, SPT9EM 405/70 R18 tires and 0.95 m3 (1.2 yd3) general purpose bucket with bolt-on cutting edge or a class
Note (9) Note: Goodyear POWERLOAD® tires can add up to approximately 140 kg (305 lb) to the full turn tip load and reduce vertical height by approximately 25 mm (1 in) compared to SPT9.
Operating Weight: Bucket ^ 12632lb
Operating Weight: Carriage and Tines ^^ 12240lb
Rack Angle at Carry 51°
Rack Angle at Full Lift 56°
Reach: Bucket at 45° * 2.42ft
Tipping Load - Full Turn - ISO 14397-1 † 8225lb
Tipping Load - Full Turn † 6514lb
Tipping Load - Straight - ISO 14397-1 † 9760lb
Tipping Load - Straight † 7748lb
Turning Radius: Inside of Tires 6.75ft
Turning Radius: Outside of Tires 12.92ft
Turning Radius: Over Bucket 14.17ft
Width: Bucket 6.17ft
Width: Over Tires 6.08ft
Width: Tread Center 4.67ft
Product Link™
Service (Electronic Technician™)
Lights, roading, front halogen
Lights, rear stop and turn, LED
Cab mounted fuse panel
Battery disconnect switch
Battery, heavy duty, 12V, 90Ah and 1,000 CCA
Alternator, 100 amp sealed
Motor, single drive with dedicated implement and steering pumps
Multi-function lift and tilt with loader arm float
Joystick, single lever, single auxiliary roller
Implement valve, pressure compensated
Hystat displacement pump, infinitely variable
Caterpillar HYDO™ Advanced 10 hydraulic oil
Coupler/pin on attachment ready
Demand cooling fan, hydraulically driven
Dead engine lower, lift valve, manual
Electro-hydraulic, fully proportional controls
Hydraulic pilot shut off switch, in cab
Cab
– Doors (2), fixed glass
– Wipers, front and rear, full front coverage
– Windshield, front single piece
– Window, rear heated
– Radio ready, speakers and wiring
– Air vents, (4) screen, (7) directional
– Heating, mechanical control unit
– Sun visor, solid, front full width
– Interior light (incandescent)
Seat, manual height adjustment, (cab) fabric with adjustable left arm rest, (canopy) vinyl
Joystick, seat mounted, standard multifunction
– FNR, auxiliary roller, speed range select, continuous flow, differential lock, horn
– Arm rest, padded right, multiple position vertical height
Display, analog and digital
– Gauges (2), hydraulic oil, engine coolant
– Digital with soft touch buttons – fuel level, speed range, speedometer, service hour meter, service/maintenance information, hydraulic and power train performance and aggressiveness settings, security passcode (multiple languages)
ROPS/FOPS certified canopy/cab
– 12V power outlets, interior/exterior
– Pedals, raised, foot, brake/inching, accelerator
– Lever, parking brake
– Cup holders (2)
– CB radio clip, phone holder
– Door release, internal (left and right)
– Hook, large, coat and hard hat
– Floormat, heavy duty, easy clean
– Mirrors, (2) external breakaway, (1) internal
– Operator station on isolation mounts
– Steering wheel, spinner knob, horn in center
– Seat belt, orange, retractable, 51 mm (2 in)
– Storage, personal (trays [3], seat pocket)
– Steering column, tilt adjusted
– Column mounted multi function control: lights, roading, wipers, self cancelling turn signals
– Quick coupler switch, in cab
Scheduled Oil Sampling (S·O·S℠) ports, engine oil and hydraulic oil
Recovery hitch with pin
Paint, Electro-Coat primer, gloss topcoat
Machine lifting/tie down points
Lockable, fuel cap, HVAC filters, nose cone
Lockable main and side engine enclosures
Loader arm safety brace
Ground level easy access daily service points
Fenders, front and rear
Fuel pump, priming (manual)/water separator/drain
Engine oil, ECO drain tap and hose
Engine, auto idle shutdown, hibernation mode
Drive shaft, sealed for life, universal joints
Coolant, extended life, –36° C (–33° F)
Closed circuit breather
Axles, heavy duty, frame mounted with outboard planetary reduction
Air cleaner, two stage filter, with in cab audio/visual indicator on display
Cat C2.8 engine
– Diesel particulate filter (Fit for Life) or muffler (Dependent on regional regulations.)
– Fuel, diesel, ultra low or low Sulphur (Dependent on regional regulations.)
– Hydrostatic transmission, two speed, with inching function, “shift on the go”
– Power train mode, hystat
Emissions compliant, two options (Dependent on regional regulations.)
– U.S. EPA Tier 4 Final and EU Stage V
– U.S. EPA Tier 3 and EU Stage IIIA equivalent
Work tool wiring harness, (3) in cab switches
Push to start
Lighting packages, multiple; front, rear, engine bay (LED or HAL)
Quick disconnect auxiliary hydraulics
Reversing fan
Ride Control or load check valves (Dependent on regional regulations.)
Connect under pressure and case drain
Caterpillar Bio HYDO Advanced hydraulic oil
Auxiliary flow, single standard (3) valve, single high flow (3) valve, dual high flow (4) valve
USB ports (2), interior
Sun visor, rear perforated
Storage, lockable box or lockable cooled box
Soft touch keypad options, 8 or 16 button
Secondary display, front or rear view camera
Seat packages; deluxe or premium
Seat belt options, multiple
Radio, FM or digital audio broadcast
Phone holder, spring loaded
Mirrors (2) electronically adjustable, heated external, plus lower parabolic mirror
Joystick, seat mounted, multifunction
Interior light, door activated
FNR, twin auxiliary roller, continuous flow, differential lock, horn
Doors, sliding windows (left and right)
Air Conditioning, automatic temperature control (ATC)
Rotary sensors (snubbing, kickouts, parallel)
Couplers, vertical (SSL), horizontal (HPL-V, HPL-A)
Power train mode, utility (includes keypad)
Hydrostatic transmission, 3-speed, “shift on the go”, secondary steering and boosted brakes
Fuel pump, priming (Higher regulated countries), electric (Dependent on regional regulations.)
Creep and throttle lock function
Cold start – jacket water heater, bypass valve
Antifreeze, extended life coolant, –50° C (–58° F)
