Contents
Loader
| Tipping Load | 7000 lb (3175 kg) |
| Rated Operating Capacity (35% of tipping load) | 2450 lb (1111 kg) |
| Rated Operating Capacity (50% of tipping load) | 3500 lb (1588 kg) |
| ROC with Torsion | 2350 lb (1066 kg) |
| Breakout Force (Lift) | 5101 lbf (22.69 kN) |
| Breakout Force (Tilt) | 4899 lbf (21.79 kN) |
| Push Force | 8032 lbf (35.73 kN) |
| Bucket Width | 68 in (1727 mm) |
| Ground Pressure (with standard tracks) | 5.9 psi (40 kPa) |
| Lift Arm Path | Vertical |
Dimensions
| A. Operating Height | 153.9 in (3910 mm) |
| B. Height with Operator Cab | 80.5 in (2045 mm) |
| C. Angle of Departure | 25° |
| D. Ground Clearance | 8.4 in (214 mm) |
| E. Ground Contact Length | 54.3 in (1378 mm) |
| F. Length without Attachment | 107 in (2718 mm) |
| G. Length with Standard Bucket | 134.9 in (3427 mm) |
| H. Rollback @ Ground | 30.0° |
| I. Dump Height with Standard Bucket | 94.3 in (2396 mm) |
| J. Height to Bucket Hinge Pin | 120 in (3048 mm) |
| K. Dump Reach @ Maximum Height | 36.7 in (933 mm) |
| L. Dump Angle @ Maximum Height | 37° |
| M. Rollback Fully Raised @ Maximum Height | 94° |
| N. Width (over 68″ bucket, standard) | 68 in (1727 mm) |
| N. Width (over 74″ bucket, optional) | 74 in (1880 mm) |
| O. Turning Radius with Standard Bucket | 81.5 in (2071 mm) |
| O. Turning Radius with Optional Bucket | 82.8 in (2104 mm) |
| P. Track Tread | 54.4 in (1382 mm) |
| Q. Track (width over track) | 70.2 in (1782 mm) |
Weight
| Operating Weight | 8927 lb (4049 kg) |
| Max Operating Weight | 9471 lb (4296 kg) |
| Shipping Weight | 8184 lb (3712 kg) |
| Counterweight (7129173) | 50 lb (23 kg) |
| Counterweight Kit (7407734 for Loaders) | 200 lb (92 kg) |
Bobcat T66 operating weight (with 68″ bucket, operator and full fuel tank)
Engine Details
| Number of Cylinders | 4 |
| Engine Make | Bobcat / Doosan |
| Engine Model | Bobcat D24 |
| Displacement | 146.0 cu in (2.392 L) |
| Bore | 3.54 in (90 mm) |
| Stroke | 3.70 in (94 mm) |
| Gross Horsepower | 74 hp (55.2 kw) |
| Net Horsepower | 66 hp (49.2 kw) |
| Power Measured @ | 2600 rpm |
| Peak Torque | 209.4 lb ft (283.9 Nm) |
| Torque Measured @ | 1800 rpm |
| Fuel Consumption @ 2600 rpm | 218 g/kWh |
| Fuel Consumption @ 1600 rpm | 214 g/kWh |
| Injection Pump | Bosch Common-rail Pump |
| Lubrication System | Fully forced pressure feed type |
| Air Cleaner | Dry replaceable cartridge with safety element |
| Aspiration | Turbocharged and air-to-air aftercooled |
| Emission Standards | US EPA Tier 4 Final + EU Stage V |
Operator Environment
| Cab (Standard) | Deluxe pressurized cab with HVAC, with side screens with a minimal inside cab width of 838 mm |
| ROPS | SAE-J1040 and ISO 3471 |
| FOPS | SAE-J1043 and ISO 3449, Level I (Level II optional) |
| Operator Seat | Adjustable suspension seat with 3 point seat belt |
| Operator Seat (Optional) | Heated cloth air ride seat with 3 point seat belt |
| Working Lights | 2x LED Front working lights + 2 LED Rear working lights |
| Whole Body Vibration (ISO 2631–1) | 0.80 m/s2 |
| Hand-arm Vibration (ISO 5349–1) | 2.78 m/s2 |
| Noise Level Operator LpA | 80 dB(A) |
| Noise level LWA | 103 dB(A) |
Operational Specs
| Operating Weight | 8927 lb (4049 kg) |
| Tipping Load | 7000 lb (3175 kg) |
| Rated Operating Capacity (35% of tipping load) | 2450 lb (1111 kg) |
| Rated Operating Capacity (50% of tipping load) | 3500 lb (1588 kg) |
| ROC with Torsion | 2350 lb (1066 kg) |
| Operating Voltage | 12 V |
| Alternator | 90 amps |
| Battery | 12 V, RC: 115 min, CCA 600 |
| Starter | 12 V, gear type, 4.3 hp (3.2 kw) |
Power Train
| Type | Hydrostatic transmission |
| Number of Gears | Infinitely variable tandem hydrostatic piston pumps, driving two fully reversing hydrostatic motors |
| Max Travel Speed (Low) | 6.4 mph (10.3 km/h) |
| Max Travel Speed (High) | 9.3 mph (15.0 km/h) |
| Service Brakes | Two independent hydrostatic systems controlled by two hand-operated steering levers |
| Parking Brake | Mechanical disc activated by manually operated switch on left instrument panel |
| Vehicle Steering | Direction and speed controlled by Selectable Joystick Controls (SJC) |
Undercarriage
| Type | Tension-grease cylinder and triple-flange spring rollers |
| Type (Optional) | 5-Link Torsion Suspension Undercarriage |
| Length of Track on Ground | 54.3 in (1378 mm) |
| Track Width, Rubber (Standard) | 12.60 in (320 mm) |
| Track Width, Rubber (Optional) | 15.75 in (400 mm) |
| Ground Pressure, 320 mm Track | 5.9 psi (40 kPa) |
| Ground Pressure, 400 mm Track | 4.8 psi (32 kPa) |
| Departure Angle | 25° |
Hydraulic System
| Type | Open center hydraulic system |
| Hydraulic Pump Type | Engine driven, gear type pump |
| Standard Pump Flow | 17.6 gpm (66.6 L/min) |
| High Flow Pump Capacity (optional) | 26.9 gpm (101.8 L/min) |
| Standard Relief Pressure at Quick Couplers | 3500 psi (24100 kPa) |
| Control Valve | Three-spool, open-centre type with float detent on lift and electrically controlled auxiliary spool |
| Fluid Lines | SAE standard tubelines, hoses, and fittings |
| Hydraulic Oil Level Check and Fill Location | Access to the hydraulic oil filler and level check is carried out from the left side of the machine. |
Service Refill Capacities
| Fuel Tank Capacity | 28.3 gal (107.1 L) |
| Engine Oil Capacity (w/ filter) | 2.4 gal (9.2 L) |
| Cooling System Capacity (w/ heater) | 2.9 gal (10.9 L) |
| Cooling System Capacity (w/o heater) | 2.8 gal (10.6 L) |
| Hydraulic System Fluid Capacity | 9.5 gal (36 L) |
| Hydraulic Tank Capacity | 2.0 gal (7.57 L) |
Bobcat T66 Filters
| Filter | Part Number |
|---|---|
| Inner Air Filter | 7386224 |
| Outer Air Filter | 7386225 |
| Air Filter | 7380114 |
| Fresh Air Filter | 7313306 |
| Recirculating Air Filter | 7310820 |
| Engine Oil Filter | 7343102 |
| Fan Manifold for Loaders | 7351273 |
| Cartridge Filter for Loaders | 7488100 |
| In-Line Fuel Filter | 7348032 |
| Fuel Breather Vent | 7340277 |
| Fuel Filter Assembly | 7314484 |
| Fuel Filter Bowl | 7374979 |
| Hydraulic Oil Filter | 46923666 |
| Hydraulic Oil Filter and O-rings | 7414582 |
| Hydraulic Breather Vent | 7025626 |
| Case Drain Filter | 7334208 |
The Bobcat T66 Compact Track Loader is a high-performance, vertical-lift machine designed to handle a wide range of job site applications with power, precision, and versatility. Engineered for demanding tasks, the T66 is compatible with a vast lineup of genuine Bobcat attachments, making it an ideal choice for construction, landscaping, agriculture, and snow removal operations.
From digging and grading to breaking, sweeping, lifting, and snow clearing, the T66 pairs seamlessly with attachments such as augers, breakers, buckets, grapples, sweepers, pallet forks, planers, trenchers, and more. Whether you’re preparing a site, moving heavy materials, or handling seasonal snow and debris, the Bobcat T66 offers the hydraulic power and attachment flexibility needed to boost productivity across all terrain conditions.
