Caterpillar 906M Wheel Loader

Bucket

Bucket Capacities 2 cu yd (1 cu m)
Bucket Capacities – ISO Coupler 0.75-1.2 m3
Bucket Capacities – SSL Style Coupler 1-2 cu yd (1-1 cu m)
General Purpose 1.2 yd
Light Material 2 cu yd (1 cu m)

Cab

FOPS SAE J/ISO 3449 APR98, Level II, ISO 3449 1992 Level II.
ROPS SAE J1040 MAY94, ISO 3471-1994.

Cab Features – Canopy

External Knock Back Mirrors Standard
Lockable Storage Box Standard

Dimensions – With ISO Coupler – Approximate

Dig Depth 4 in (9 cm)
Turning Radius – Inside Tire 7 ft (2 m)
Turning Radius – Over Bucket 15 ft (4 m)

Dimensions – With SSL Coupler – Approximate

Dig Depth 4 in (9 cm)
Turning Radius – Inside Tire 7 ft (2 m)
Turning Radius – Over Bucket 15 ft (4 m)

Dimensions with Bucket (Approximate) – Standard Lift – With ISO Coupler

Articulation Angle 39 degrees
Clearance – Bucket at 45 degrees * 8 ft (2 m)
Clearance – Level Bucket** 10 ft (3 m)
Departure Angle 33 degrees
Dig Depth** 4 in (9 cm)
Dump Angle at Full Lift 45 degrees
Height – Bucket Pin** 11 ft (3 m)
Height – Ground Clearance** 1 ft (0 m)
Height – Ground to Cab** 8 ft (2 m)
Length – Overall* 18 ft (5 m)
Length – Wheel Base 7 ft (2 m)
Machine Width 6 ft (2 m)
Note (1) *Vary with bucket.
Note (2) **Vary with tire.
Note (3) Dimensions listed are for a machine configured with general purpose buckets, bolt-on cutting edges, 75 kg (165 lb) operator, no air conditioner and Dunlop 405/70 SPT9 tires.
Reach – Bucket at 45 degrees* 2 ft (1 m)
Turning Radius – Inside of Tires 7 ft (2 m)
Turning Radius – Over Bucket 15 ft (4 m)
Width – Bucket 6 ft (2 m)
Width – Tread Center 5 ft (1 m)

Dimensions with Bucket (Approximate) – Standard Lift – With SSL Coupler

Articulation Angle 39 degrees
Clearance – Bucket at 45 degrees * 8 ft (2 m)
Clearance – Level Bucket** 10 ft (3 m)
Departure Angle 33 degrees
Dig Depth** 4 in (11 cm)
Dump Angle at Full Lift 45 degrees
Height – Bucket Pin** 11 ft (3 m)
Height – Ground Clearance** 1 ft (0 m)
Height – Ground to Cab** 8 ft (2 m)
Length – Overall* 19 ft (6 m)
Length – Wheel Base 7 ft (2 m)
Machine Width 6 ft (2 m)
Reach – Bucket at 45 degrees* 3 ft (1 m)
Turning Radius – Inside of Tires 7 ft (2 m)
Turning Radius – Over Bucket 15 ft (4 m)
Width – Bucket 6 ft (2 m)
Width – Tread Center 5 ft (1 m)

Drive System

Forward – High Range 22 mph (35 kph)
Forward – Range 1 6 mph (10 kph)
Forward – Range 2 12 mph (19 kph)
Reverse – High Range 22 mph (35 kph)
Reverse – Range 1 6 mph (10 kph)
Reverse – Range 2 12 mph (19 kph)

Engine

Bore 4 in (9 cm)
Displacement 201 cu in (3,294 cu cm)
Emissions *The Cat C3.3B DIT engine meets U.S. EPA Tier 4 Final/EU Stage IIIB emission standards or Tier 4 Interim/Stage IIIA equivalent emission standards.
Engine Model Cat C3.3B DIT*
Maximum Gross Power 73 hp (54 kw)
Maximum Gross Power – ISO 14396 73 hp (54 kw)
Maximum Gross Power – ISO 14396 (DIN) 74 hp (55 kw)
Maximum Gross Power – SAE J1995 74 hp (55 kw)
Maximum Gross Torque – ISO 14396 192 lbs ft (260 nm)
Maximum Net Power – ISO 9249 69 hp (51 kw)
Maximum Net Power – SAE J1349 68 hp (51 kw)
Maximum Net Torque – ISO 9249 (1977)/EEC 80/1269 191 lbs ft (259 nm)
Maximum Net Torque – SAE J1349 189 lbs ft (256 nm)
Net Power 74 hp (55 kw)
Note (5) The Cat C3.3B Tier 4 Final/Stage IIIB uses an active regeneration system which requires no operator interaction under normal conditions.
Rated Net Power – 2,400 rpm – ISO 9249 (1977)/EEC 80/1269 74 hp (55 kw)
Rated Net Power – 2,400 rpm – SAE J1349 73 hp (54 kw)
Rated Net Power – 2,500 rpm – SAE J1349 68 hp (51 kw)
Stroke 5 in (12 cm)

Hydraulic System

Hydraulic Cycle Time – Dump 1.3 seconds
Hydraulic Cycle Time – Lift 5.2 seconds
Hydraulic Cycle Time – Lower 3.2 seconds
Hydraulic Cycle Time – Rackback 2.1 seconds
Main Relief – 3rd Aux Flow 3400 psi
Main Relief – 3rd Aux Flow: High Flow 31 gpm (117 lpm)
Main Relief – 3rd Aux Flow: Standard 20 gpm (76 lpm)

Loader Hydraulic System

3rd Function Maximum Working Pressure 3408 psi
Boost Flow Maximum Pressure 3191 psi
Hydraulic Cycle Time – 1,000 rpm – Dump, at Maximum Lift Height 3 seconds
Hydraulic Cycle Time – 1,000 rpm – Float Down, Maximum Lift to Ground Level 2.6 seconds
Hydraulic Cycle Time – 1,000 rpm – Raise, Ground Level to Maximum Lift 9.6 seconds
Hydraulic Cycle Time – 1,800 rpm – Dump, at Maximum Lift Height 1.5 seconds
Hydraulic Cycle Time – 1,800 rpm – Float Down, Maximum Lift to Ground Level 2.6 seconds
Hydraulic Cycle Time – 1,800 rpm – Raise, Ground Level to Maximum Lift 5.5 seconds
Hydraulic Cycle Time – 1,800 rpm – Total Cycle Time 9.6 seconds
Lift Cylinder, Double Acting – Bore Diameter 3 in (8 cm)
Lift Cylinder, Double Acting – Rod Diameter 2 in (5 cm)
Lift Cylinder, Double Acting – Stroke 27 in (70 cm)
Maximum Flow – Implement Pump 19 gpm (72 lpm)
Maximum Flow – Implement Pump – Auxiliary Function High Flow 31 gpm (117 lpm)
Maximum Flow – Implement Pump – Auxiliary Function Standard Flow 19 gpm (72 lpm)
Maximum Working Pressure – Implement Pump 3408 psi
Relief Pressure – Tilt Cylinder Head 4496 psi
Relief Pressure – Tilt Cylinder Rod 2756 psi
Tilt Cylinder, Double Acting – Bore Diameter 4 in (9 cm)
Tilt Cylinder, Double Acting – Rod Diameter 2 in (6 cm)
Tilt Cylinder, Double Acting – Stroke 16 in (42 cm)

Maximum Material Densities – General Purpose Bucket

Bucket Width 74 in (188 cm)
Dump Height 94 in (239 cm)
Rated Capacity 1 cu yd (1 cu m)

Maximum Material Densities – Light Material Bucket

Bucket Width 82 in (208 cm)
Dump Height 90 in (229 cm)
Rated Capacity 2 cu yd (1 cu m)

Maximum Material Densities – Multi Purpose Bucket

Bucket Width 74 in (188 cm)
Dump Height 97 in (246 cm)
Rated Capacity 1 cu yd (1 cu m)

Operating Specifications

Clearance – Full Lift and 45 degrees Dump 8 ft (3 m)
Full Turn Tipping Load 7,507 lbs (3,405 kg)
Operating Weight 12,346 lbs (5,600 kg)
Rated Bucket Capacity 1 cu yd (1 cu m)
Reach – Full Lift and 45 degrees Dump 2 ft (1 m)
Steering Articulation Angle – Each Direction 39 degrees
Tipping Load – Full Turn – ISO 14397-1 7,061 lbs (3,203 kg)
Tipping Load – Straight – ISO 14397-1 8,666 lbs (3,931 kg)

Operating Specifications – ISO Coupler

Breakout Force – Bucket 11,689 lbs ft (15,848 nm)
Full Turn Static Tipping Load – Bucket 9,970 lbs (4,522 kg)
Rack Back – Transport Position 52 degrees
Rated Bucket Capacity 1 cu yd (1 cu m)
Rated Operating Load at Full Turn – Bucket 3,986 lbs (1,808 kg)
Rated Operating Load at Full Turn – Forks (EN 474-3:2006, Firm and Level Ground, 1.25 Stability and 500 mm [20 in] Load Center) 4,848 lbs (2,199 kg)
Straight Tipping Load – Bucket 9,778 lbs (4,435 kg)
Tire Size 405/70 R18

Operating Specifications – SSL Coupler

Breakout Force – Bucket 9,442 lbs ft (12,801 nm)
Full Turn Static Tipping Load – Bucket 7,507 lbs (3,405 kg)
Rack Back – Transport Position 52 degrees
Rated Bucket Capacity 1 cu yd (1 cu m)
Rated Operating Load at Full Turn – Bucket 3,754 lbs (1,703 kg)
Rated Operating Load at Full Turn – Forks (EN 474-3:2006, Firm and Level Ground, 1.25 Stability and 500 mm [20 in] Load Center) 4,553 lbs (2,065 kg)
Straight Tipping Load – Bucket 9,215 lbs (4,180 kg)
Tire Size 405/70 R18

Service Refill Capacities

Cooling System 4 gal (17 l)
Engine Crankcase 3 gal (11 l)
Engine Oil 3 gal (11 l)
Fuel Tank 14 gal (52 l)
Hydraulic System 19 gal (70 l)
Hydraulic Tank 12 gal (46 l)
Transmission – Gear Box 2 gal (8 l)

Steering System

Maximum Steering Torque – 0 degrees (Straight Machine) 37,155 lbs ft (50,375 nm)
Maximum Steering Torque – 39 degrees (Full Turn) 27,747 lbs ft (37,619 nm)
Maximum Working Pressure – Steering Pump 3191 psi
Nominal Flow – Steering Pump 12 gpm (45 lpm)
Number of Steering Wheel Turns – Full Left to Full Right or Full Right to Full Left &lt,6 turns
Steering AC Cycle Times – Full Left to Full Right – 2,620 rpm 3 seconds
Steering Articulation Angle – Each Direction 39 degrees
Steering Cylinder, Double Acting – Bore Diameter 3 in (8 cm)
Steering Cylinder, Double Acting – Rod Diameter 1 in (4 cm)
Steering Cylinder, Double Acting – Stroke 12 in (30 cm)

Tires

Note (1) *Standard tire.
Note (2) Other tire choices available, contact your Cat dealer for details.
Note (3) In certain applications, the loader’s productive capabilities may exceed the tires’ tonnes-km/h (ton-) capabilities.
Note (4) Caterpillar recommends that you consult a tire supplier to evaluate all conditions before selecting a tire model.
Option (1) 335/80 R18 XZSL Michelin
Option (2) 340/80 R18 AT-R Firestone
Option (3) 340/80 R18 XMCL Michelin
Option (4) 340/80 R18 TRI2 Nokian
Option (5) 340/80 R18 Bibload Michelin
Option (6) 405/70 R18 SPT9 Dunlop*
Option (7) 12.5/80 R18 Flexport

Travel Speeds

High Speed 22 mph (35 kph)
Speed 1 6 mph (10 kph)
Speed 2 12 mph (20 kph)

Weights

Operating Weight 12,346 lbs (5,600 kg)
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