Caterpillar 908M Wheel Loader

Bucket

Bucket Capacities 2 cu yd (2 cu m)
Bucket Capacities – ISO Coupler 0.9-1.5 m3
Bucket Capacities – SSL Style Coupler 1-2 cu yd (1-2 cu m)
General Purpose 1.1-1.3 m3 (1.44-1.7 yd3)
Light Material 2 cu yd (2 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 (10 cm)
Turning Radius – Inside Tire 7 ft (2 m)
Turning Radius – Over Bucket 15 ft (5 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 (5 m)

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

Articulation Angle 39 degrees
Clearance – Bucket at 45 degrees * 9 ft (3 m)
Clearance – Level Bucket** 11 ft (3 m)
Departure Angle 33 degrees
Dig Depth** 4 in (10 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** 9 ft (3 m)
Length – Overall* 19 ft (6 m)
Length – Wheel Base 7 ft (2 m)
Machine Width 7 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* 3 ft (1 m)
Turning Radius – Inside of Tires 7 ft (2 m)
Turning Radius – Over Bucket 15 ft (5 m)
Width – Bucket 7 ft (2 m)
Width – Tread Center 5 ft (2 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** 11 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** 9 ft (3 m)
Length – Overall* 19 ft (6 m)
Length – Wheel Base 7 ft (2 m)
Machine Width 7 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 (5 m)
Width – Bucket 7 ft (2 m)
Width – Tread Center 5 ft (2 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 34 gpm (129 lpm)
Main Relief – 3rd Aux Flow: Standard 22 gpm (83 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 28 in (70 cm)
Maximum Flow – Implement Pump 22 gpm (83 lpm)
Maximum Flow – Implement Pump – Auxiliary Function High Flow 33 gpm (125 lpm)
Maximum Flow – Implement Pump – Auxiliary Function Standard Flow 22 gpm (83 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 (10 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 81 in (206 cm)
Dump Height 100 in (254 cm)
Rated Capacity 1 cu yd (1 cu m)

Maximum Material Densities – Light Material Bucket

Bucket Width 82 in (208 cm)
Dump Height 92 in (234 cm)
Rated Capacity 2 cu yd (2 cu m)

Maximum Material Densities – Multi Purpose Bucket

Bucket Width 81 in (206 cm)
Dump Height 104 in (264 cm)
Rated Capacity 1 cu yd (1 cu m)

Operating Specifications

Clearance – Full Lift and 45 degrees Dump 8 ft (2 m)
Full Turn Tipping Load 8,311 lbs (3,770 kg)
Operating Weight 14,032 lbs (6,365 kg)
Rated Bucket Capacity 1 cu yd (1 cu m)
Reach – Full Lift and 45 degrees Dump 3 ft (1 m)
Steering Articulation Angle – Each Direction 39 degrees
Tipping Load – Full Turn – ISO 14397-1 7,947 lbs (3,605 kg)
Tipping Load – Straight – ISO 14397-1 9,757 lbs (4,426 kg)

Operating Specifications – ISO Coupler

Breakout Force – Bucket 13,712 lbs ft (18,591 nm)
Full Turn Static Tipping Load – Bucket 8,874 lbs (4,025 kg)
Rack Back – Transport Position 52 degrees
Rated Bucket Capacity 1 cu yd (1 cu m)
Rated Operating Load at Full Turn – Bucket 4,438 lbs (2,013 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) 5,561 lbs (2,522 kg)
Straight Tipping Load – Bucket 10,891 lbs (4,940 kg)
Tire Size 405/70 R20

Operating Specifications – SSL Coupler

Breakout Force – Bucket 10,566 lbs ft (14,325 nm)
Full Turn Static Tipping Load – Bucket 8,311 lbs (3,770 kg)
Rack Back – Transport Position 52 degrees
Rated Bucket Capacity 1 cu yd (1 cu m)
Rated Operating Load at Full Turn – Bucket 4,156 lbs (1,885 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) 5,192 lbs (2,355 kg)
Straight Tipping Load – Bucket 10,207 lbs (4,630 kg)
Tire Size 405/70 R20

Service Refill Capacities

Cooling System 4 gal (17 l)
Engine Crankcase 3 gal (11 l)
Engine Oil 3 gal (11 l)
Fuel Tank 21 gal (78 l)
Hydraulic System 19 gal (70 l)
Hydraulic Tank 12 gal (46 l)
Transmission – Gear Box 3 gal (11 l)

Steering System

Maximum Steering Torque – 0 degrees (Straight Machine) 42,506 lbs ft (57,630 nm)
Maximum Steering Torque – 39 degrees (Full Turn) 31,398 lbs ft (42,569 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) Other tire choices available, contact your Cat dealer for details.
Note (2) In certain applications, the loader’s productive capabilities may exceed the tires’ tonnes-km/h (ton-) capabilities.
Note (3) Caterpillar recommends that you consult a tire supplier to evaluate all conditions before selecting a tire model.
Option (1) 360/80 R20 TRI2 Nokian
Option (2) 375/75 R20 XZSL Michelin
Option (3) 400/70 R20 XMCL Michelin
Option (4) 400/70 R20 Bibload Michelin
Option (5) 405/70 R20 SPT9 Dunlop
Option (6) 12.5-20 ATU Firestone

Travel Speeds

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

Weights

Operating Weight 14,032 lbs (6,365 kg)
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