FM548 GF/FM548 LL

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Product Description

The Cat® FM548 is simply the best choice in its size class for doing roadbuilding, processing, and log-loading work. With 275 HP and significant hydraulic flow and swing torque increases, the superior performance and exceptional operator comfort and safety of the FM548 will help you produce day in and day out.

Specifications
Us
Metric
Engine
Engine Model
Cat C7.1
Net Power - ISO 9249
271 hp
202.4 kW
Engine Power - ISO 14396
275 hp
205 kW
Net Power - ISO 9249 (DIN)
275 hp (metric)
275 hp (metric)
Engine Power - ISO 14396 (DIN)
279 hp (metric)
279 hp (metric)
Bore
4.13 in
105 mm
Stroke
5.31 in
135 mm
Displacement
433.3 r/min
7.1 r/min
Biodiesel Capability
B20¹
Emissions
Meets U.S. EPA Tier 4 Final, EU Stage V emission standards.
Note (1)
Net power advertised is the power available at the flywheel when the engine is equipped with fan, air intake system, exhaust system, and alternator with engine speed at 1,800 rpm. Advertised power is tested per the specified standard in effect at time of manufacture.
Note (2)
¹Cat diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels** up to: 20% biodiesel FAME (fatty acid methyl ester)* or 100% renewable diesel, HVO (hydrotreated vegetable oil) and GTL (gas-to-liquid) fuels. Refer to guidelines for successful application. Please consult your Cat dealer or Caterpillar Machine Fluids Recommendations (SEBU6250) for details. *Engines with no aftertreatment devices can use higher blends, up to 100% biodiesel (for use of blends higher than 20% biodiesel, consult your Cat dealer). **Tailpipe greenhouse gas emissions from lower-carbon intensity fuels are essentially the same as traditional fuels.
Drive
Maximum Travel Speed
3 mile/h
4.8 km/h
Maximum Drawbar Pull
66319 lbf
295 kN
Hydraulic System
Main System - Maximum Flow
132.6 gal/min
502 l/min
Maximum Pressure - Equipment
5076 psi
35000 kPa
Maximum Pressure - Equipment - Lift Mode
5511 psi
38000 kPa
Maximum Pressure - Travel
5076 psi
35000 kPa
Maximum Pressure - Swing
4061 psi
28000 kPa
Swing Mechanism
Swing Speed
8.1 r/min
8.1 r/min
Maximum Swing Torque
100308 lb/ft
136 kN·m
Weights
General Forestry
83300 lb
37800 kg
Log Loader (U/U)
89290 lb
40500 kg
Service Refill Capacities
Fuel Tank
262 gal (US)
990 l
Cooling System
10 gal (US)
38 l
Engine Oil
7 gal (US)
25 l
Swing Drive
4 gal (US)
13.5 l
Final Drive - Each
3 gal (US)
9.5 l
Hydraulic System - Including Tank
92 gal (US)
348 l
Hydraulic Tank
49 gal (US)
185 l
DEF Tank
11 gal (US)
41 l
Dimensions
Note (1)
General Forestry
Shipping Height - Tilted Cab
138 in
3500 mm
Handrail Height
138 in
3500 mm
Length: General Forestry - Boom Stretched Out
469 in
11920 mm
Length: Log Loader - Boom Stretched Out
595 in
15120 mm
Tail Swing Radius
139 in
3530 mm
Counterweight Clearance
59 in
1500 mm
Ground Clearance
31 in
800 mm
Track Length
199 in
5050 mm
Track Length to Center of Rollers
158 in
4020 mm
Track Gauge
110 in
2790 mm
Transport Width
139 in
3530 mm
Working Ranges
Max Reach at Stick Nose at Ground Level - General Forestry Road Builder
395 in
10040 mm
Max Reach at Grapple Mount on Heel at Ground Level - Log Loader Under/Under
450 in
11440 mm
Air Conditioning System
Note (1)
The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 2.1 (22" Riser CAB)/2.2 (48"/72" Riser CAB) kg of refrigerant, which as a CO2 equivalent of 3.003/3.146 metric tonnes.
Standard/Optional

Standard Equipment

CAB
CAT TECHNOLOGIES
ELECTRICAL SYSTEM
ENGINE
HYDRAULIC SYSTEM
SAFETY AND SECURITY
SERVICE AND MAINTENANCE
UNDERCARRIAGE AND STRUCTURES

Optional Equipment

BOOMS AND STICKS
CAB
ELECTRICAL SYSTEM
ENGINE
HYDRAULIC SYSTEM
SAFETY AND SECURITY
UNDERCARRIAGE AND STRUCTURES

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