Harley-Davidson Harley Davidson Softail Slim (2018-19) vs Harley-Davidson Harley Davidson XL 1200X Forty-Eight (2018-19) vs Harley-Davidson Harley Davidson Softail Fat Boy (2018)
Comparison technical specifications
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| Make: | Harley-Davidson | Harley-Davidson | Harley-Davidson |
| Model: | Harley Davidson Softail Slim | Harley Davidson XL 1200X Forty-Eight | Harley Davidson Softail Fat Boy |
| Years: | 2018-19 | 2018-19 | 2018 |
| Engine: | Four stroke, V-Twin, Milwaukee-Eight 107, Pushrod-operated, overhead valves with hydraulic, self-adjusting lifters, 4 valves per cylinder | Evolution, four stroke, 45° V-Twin, OHV, 2 valves per cylinder | Four stroke, V-Twin, Milwaukee-Eight 107, Pushrod-operated, overhead valves with hydraulic, self-adjusting lifters, 4 valves per cylinder |
| Capacity: | 1746 cc / 107 cub in | 1202 cc / 73.4 cu in | 1746 cc / 107 cub in |
| Bore x Stroke: | 100 x 111 mm | 88.8 x 96.8 mm | 100 x 111 mm |
| Cooling System: | Air cooled | Air cooled | Air cooled |
| Compression Ratio: | 10.0:1 | 10.0:1 | 10.0:1 |
| Exhaust: | 2-into-1-into-2 dual side, catalyst in muffler | Shorty-dual exhaust with blacked out mufflers | 2-into-2 staggered; catalyst in muffler |
| Induction: | Electronic Sequential Port Fuel Injection (ESPFI) | Electronic Sequential Port Fuel Injection (ESPFI) | Electronic Sequential Port Fuel Injection (ESPFI) |
| Ignition: | Single-fire, non-wasted, map-controlled spark ignition | Digital CDI | Single-fire, non-wasted, map-controlled spark ignition |
| Starting: | Electric | Electric | Electric |
| Max Torque: | 145 Nm / 107 ft-lb @ 3250 rpm | 96 Nm / 9.8 kgf-m / 70.8 ft/lbs./ @ 3500 rpm | 148 Nm / 109 ft-lb @ 3000 rpm |
| Transmission: | 6 Speed | 5 Speed | 6 Speed |
| Final Drive: | Belt | Belt | Belt |
| Gear Ratio: | 1st 9.311 / 2nd 6.454 / 3rd 4.793 / 4th 3.882 / 5th 3.307 / 6th 2.79:1 | 1st 9.004 / 2nd 6.432 / 3rd 4.783 / 4th 3.965 / 5th 3.400:1 | 1st 9.311 / 2nd 6.454 / 3rd 4.793 / 4th 3.882 / 5th 3.307 / 6th 2.79 |
| Lean Angle, Left: | 27.4º | 27.1º | 25.6º |
| Lean Angle, Right: | 27.4º | 27.1º | 25.6º |
| Front Suspension: | Showa Inverted forks | Front forks with cartridge dampening technology | Showa Inverted forks |
| Rear Suspension: | Mono Shock adjustable | Emulsion technology rear shocks with 50 mm range of pre-load adjustability and an under-seat, rear shock suspension adjustment wrench | Mono shock adjustable |
| Front Brakes: | Single 292 mm discs, 4 piston caliper | Single 300mm disc, 2 x 38mm piston calipers | 2x Discs 4 piston caliper |
| Rear Brakes: | Single 292 mm disc, 2 piston caliper | Single 300mm disc, 2 x 38mm piston calipers | Single disc 2 piston caliper |
| Front Tyre: | 130/90B16,53H,BW | 130/90 B16 73H | 160/60R18,70V,BW |
| Rear Tyre: | 150/80B1677H,BW | 150/80 B16 77H | 240/40R18,79V,BW |
| Trail: | 147 mm / 5.8 in | 132 mm / 5.2 in | 104 mm / 4.1 in |
| Dimensions: | Length 2310 mm / 90.9 in | Length 2210 mm / 87.0 in | Length 2370 mm / 93.3 in |
| Wheelbase: | 1630 mm / 64.2 in | 1495 mm / 58.9 in | 1655 mm / 65.6 in |
| Seat Height: | 660 mm / 26 in | Unladen 710 mm / 28.0 in | 675 mm / 26.4 in |
| Ground Clearance: | 120 mm / 4.7 in | 110 mm / 4.3 in | 115 mm / 4.5 in |
| Wet Weight: | 304 kg / 671 lbs | 252 kg / 556 lbs | 317 kg / 699 lbs |
| Oil Capacity: | 4.7 Litres / 5 US qt | 2.6 Litres / 0.69 US gal | 4.7 Litres / 5.0 US qt |
| Fuel Capacity: | 18.9 Litres / 5.0 US gal | 7.9 Litres / 2.1 US gal | 18.9 Litres / 5.0 US gal |