906

Maximum Gross Power
74.7 HP / 55.7 kW
Operating Weight
12628 lb / 5730 kg
Fuel Tank
18.5 Gal / 70 l

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.

Engine
Maximum Gross Power 74.7 HP / 55.7 kW
Engine Model Cat C2.8*
Maximum Engine Speed 2550 rpm
Maximum Gross Power - Rated Engine Speed 2400 r/min
Maximum Gross Power - SAE J1995 74.7 HP / 55.7 kW
Maximum Gross Power - ISO 14396 74.3 HP / 55.4 kW
Maximum Gross Power - ISO 14396 (metric) 75.3 mhp
Rated Net Power - Rated Engine Speed 2400 r/min
Rated Net Power - SAE J1349 72.7 HP / 54.2 kW
Rated Net Power - ISO 9249 72.1 HP / 53.8 kW
Rated Net Power - 2,400 rpm - ISO 9249 (metric) 73.1 mhp
Maximum Gross Torque - SAE J1995 222 lb/ft / 300 N·m
Maximum Gross Torque - ISO 14396 221 lb/ft / 300 N·m
Maximum Net Torque - SAE J1349 218 lb/ft / 296 N·m
Maximum Net Torque - ISO 9249 217 lb/ft / 295 N·m
Displacement 171 in³ / 2.8 l
Bore 3.54 in / 90 mm
Stroke 4.33 in / 110 mm
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) and 1 N·m/0.7 lb-ft higher on gross torque (SAE J1995).
Note (3) #Maximum gross and net torque measured at 1,600 rpm.
Weights
Operating Weight 12628 lb / 5730 kg
Buckets
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.
Service Refill Capacities
Fuel Tank 18.5 Gal / 70 l
Cooling System 3.2 Gal / 12 l
Engine Crankcase 2.3 Gal / 8.8 l
Axles - Front Center Differential 2.3 Gal / 8.8 l
Axles - Rear Center Differential 2.3 Gal / 8.8 l
Hydraulic System - Including Tank 17.8 Gal / 67.5 l
Hydraulic Tank 11.8 Gal / 44.6 l
Transmission 0.6 Gal / 2.4 l
Note No Diesel Exhaust Fluid (DEF) fluid needed on this size engine.
Axles
Front Fixed (standard) Locking Differential (optional)
Rear Fixed (standard) Locking Differential (optional)
Note Oscillation of ±11 degrees via hitch between front and rear frames.
Steering
Steering Articulation Angle - Each Direction 39 °
Maximum Flow - Steering Pump 12.3 gal/min / 46.7 l/min
Maximum Working Pressure - Steering Pump 3336 psi / 23000 kPa
Steering Cycle Times – (full left to full right) – at High Idle 2.8 s
Number of Steering Wheel Turns - Full Left to Full Right or Full Right to Full Left 3.25 turns or 4.00 turns
Transmission
Forward and Reverse - Speed Range Creep# 6 mile/h / 10 km/h
Forward and Reverse - Speed Range 1* 6 mile/h / 10 km/h
Forward and Reverse - Speed Range 2** - High Speed 10.5 mile/h / 17 km/h
Forward and Reverse - Speed Range 2** - Standard 12 mile/h / 20 km/h
Forward and Reverse - Speed Range 3*** 25 mile/h / 40 km/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).
Tires
Tire Size - Standard *405/70 R18 SPT9
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
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.
Cab
ROPS ISO 3471:2008
FOPS ISO 3449:2005 Level II
Note (1) Canopy and cab, Rollover Protective Structures (ROPS) are available worldwide. Canopy not available in EU.
Loader Hydraulic System
Main Relief - 1st Auxiliary (3rd slice) 3408 psi / 23500 kPa
Main Relief - 1st Auxiliary (3rd slice) - Standard Flow* 21 gal/min / 80 l/min
Main Relief - 1st Auxiliary (3rd slice) - High Flow* 32 gal/min / 120 l/min
Main Relief - 2nd Auxiliary (4th slice) 3408 psi / 23500 kPa
Main Relief - 2nd Auxiliary (4th slice) - Flow 12 gal/min / 45 l/min
Hydraulic Cycle Time - Rackback 2.2 s
Hydraulic Cycle Time - Lift 5 s
Hydraulic Cycle Time - Dump 1.6 s
Hydraulic Cycle Time - Float Down 2.8 s
Note * Maximum flow stated, actual flow delta could be 6% from data shown. Also adjustable from 20% to 100% of maximum flow through display.
Dimensions - With HPL-V Coupler - Approximate#
Height: Ground to Cab** 8.08 ft / 2468 mm
Height: Ground to Beacon** 8.67 ft / 2651 mm
Height: Ground Axle Center** 1.58 ft / 480 mm
Height: Ground Clearance** 1 ft / 300 mm
Length: Overall* 17.58 ft / 5369 mm
Length: Rear Axle to Bumper 4.58 ft / 1391 mm
Length: Hitch to Front Axle 3.58 ft / 1085 mm
Length: Wheel Base 7.08 ft / 2170 mm
Clearance: Bucket at 45° * 8.25 ft / 2510 mm
Clearance: Load over Height** 9.5 ft / 2902 mm
Clearance: Level Bucket** 9.92 ft / 3037 mm
Height: Bucket Pin** 10.67 ft / 3251 mm
Height: Overall** 13.5 ft / 4122 mm
Reach: Bucket at 45° * 2.42 ft / 725 mm
Carry Height: Bucket Pin 1.08 ft / 321 mm
Dig Depth** 0.33 ft / 113 mm
Width: Bucket 6.17 ft / 1890 mm
Width: Tread Center 4.67 ft / 1420 mm
Turning Radius: Over Bucket 14.17 ft / 4327 mm
Width: Over Tires 6.08 ft / 1848 mm
Turning Radius: Outside of Tires 12.92 ft / 3925 mm
Turning Radius: Inside of Tires 6.75 ft / 2057 mm
Rack Angle at Full Lift 56°
Dump Angle at Full Lift 45°
Rack Angle at Carry 51°
Departure Angle - Degrees 30°
Articulation Angle - Degrees 39°
Operating Weight: Bucket ^ 12632 lb / 5730 kg
Tipping Load - Straight - ISO 14397-1 † 9760 lb / 4427 kg
Tipping Load - Full Turn - ISO 14397-1 † 8225 lb / 3731 kg
Operating Weight: Carriage and Tines ^^ 12240 lb / 5552 kg
Tipping Load - Straight † 7748 lb / 3514 kg
80% of Tip: Firm and Level EN474-3 †† 5211 lb / 2364 kg
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 II fork carriage and tines (tire supplier variability can impact dimensions by 2%).
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.
Length: Front Axle to Front of Coupler 3.5 ft / 1065 mm
Tipping Load - Full Turn † 6514 lb / 2955 kg
Dimensions - With SSL Coupler - Approximate
Height - Ground to Cab 8.08 ft / 2468 mm
Height: Ground to Beacon** 8.67 ft / 2651 mm
Height: Ground Axle Center** 1.58 ft / 480 mm
Height - Ground Clearance 1 ft / 300 mm
Length - Overall with Bucket 18.17 ft / 5527 mm
Length: Rear Axle to Bumper 4.58 ft / 1391 mm
Length: Hitch to Front Axle 3.58 ft / 1085 mm
Length - Wheel Base 7.08 ft / 2170 mm
Clearance - Bucket at 45° 7.83 ft / 2391 mm
Clearance: Load over Height** 9.5 ft / 2902 mm
Clearance - Level Bucket 9.92 ft / 3028 mm
Height - Bucket Pin 10.67 ft / 3251 mm
Height: Overall** 13.83 ft / 4212 mm
Reach - Bucket at 45° 2.67 ft / 814 mm
Carry Height: Bucket Pin 1.17 ft / 345 mm
Dig Depth 0.25 ft / 85 mm
Width - Bucket 6.17 ft / 1890 mm
Width - Tread Center 4.67 ft / 1420 mm
Turning Radius - Over Bucket 14.67 ft / 4478 mm
Width - Over Tires 6.07 ft / 1848 mm
Turning Radius: Outside of Tires 12.92 ft / 3925 mm
Turning Radius - Inside Tire 6.75 ft / 2057 mm
Rack Angle at Full Lift 51°
Dump Angle at Full Lift 50°
Rack Angle at Carry 46°
Departure Angle - Degrees 30°
Articulation Angle - Degrees 39°
Operating Weight: Bucket ^ 12863 lb / 5835 kg
Tipping Load – Straight – ISO 14397-1 † 8613 lb / 3907 kg
Tipping Load – Full Turn – ISO 14397-1 † 7220 lb / 3275 kg
Operating Weight: Carriage and Tines ^^ 12434 lb / 5640 kg
Tipping Load - Straight † 7359 lb / 3338 kg
80% of Tip: Firm and Level EN474-3 †† 4970 lb / 2254 kg
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 II fork carriage and tines (tire supplier variability can impact dimensions by 2%).
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.
Tipping Load - Full Turn † 2818 kg / 6212 lb
Length: Front Axle to Front of Coupler 4.33 ft / 1316 mm
Sustainability
Recyclability 93%

Standard Equipment

  • ELECTRICAL
    • 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
  • HYDRAULICS
    • 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
  • OPERATOR ENVIRONMENT
    • 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
  • OTHER
    • 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
  • POWER TRAIN
    • 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

Optional Equipment

  • ELECTRICAL
    • Work tool wiring harness, (3) in cab switches
    • Push to start
    • Lighting packages, multiple; front, rear, engine bay (LED or HAL)
  • HYDRAULICS
    • 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
  • OPERATOR STATION
    • 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)
  • OTHER
    • Rotary sensors (snubbing, kickouts, parallel)
    • Couplers, vertical (SSL), horizontal (HPL-V, HPL-A)
  • POWER TRAIN
    • 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)
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