Muir-Hill 111-171
The most significant improvement of the Muir-Hill Series II models introduced in 1972 was the much improved, flat-floor cabin. There were sliding doors on both sides and large window surfaces.
As before, the Muir-Hills had a front axle with a central axle, gear lock and brakes, four equal-sized wheels and a reinforced Ford 8+2 transmission. The smallest model was now the 111 with a Perkins six-cylinder. The previous 101 with a Ford engine had been replaced by the 121, whose model designation corresponded to the increased power. The fuel tank was larger. The Dual Power quick gearbox was not available until the end of the Series II range.
In 1975, the 161 was replaced by the slightly more powerful 171. Instead of the rare Perkins V8.510, the engine was now the more common 8.8-liter V8.540. Unlike its predecessor, there was only one exhaust pipe. The wheelbase was increased by 22 cm. The cab was now a redesigned white Series II, almost similar to the smaller models.
| Model | Muir-Hill 111 | Muir-Hill 121 | Muir-Hill 171 |
|---|---|---|---|
| Options | |||
| Manufacturer name | Muir-Hill | Muir-Hill | Muir-Hill |
| Imported to Finland | No | Yes | No |
| Years | 1972-78 | 1972-78 | 1975-78 |
| First year sold | 1972 | 1972 | 1975 |
| Last year sold | 1978 | 1978 | 1978 |
| Engine model | 6.354 | 2715E | V8.540 |
| Cyl/Turbo/Intercooler | 6 | 6 | 6 |
| Displacement | 5797 cm³ | 6220 cm³ | 8834 cm³ |
| Bore x stroke | 98,4x127 mm | 107x114,9 mm | 108x120,7 mm |
| Rated power hp/rpm DIN | 110 | 120/2500 | 170/2500 |
| Rated power | 110 | 120 | 170 |
| Rated speed | - | 2500 | 2500 |
| Torque Nm/rpm DIN | 376/1400 | 378/1600 | - |
| Gears | 8+2 | 8+2 | 10+2 |
| Powershift gears | option | option | - |
| Speeds in km/h | 2,9-30,7 | 2,9-30,7 | 4,3-32,4 |
| Hydr. flow l/min | 27,3/41,6 l/min | 27,3/41,6 l/min | 66,4 l/min |
| Hydraulic pressure | 172/179 bar | 172/182 bar | - |
| Lift controls | mech. | mech. | mech. |
| Lift capacity | 2990 kg | 2990 kg | - |
| PTO speeds | 540/770 (1000) | 540/770 (1000) | 540/1000 |
| Brakes | wet disc | wet disc | wet disc |
| Steering | hydrost. | hydrost. | hydrost. |
| Turning circle m 4WD | 9,47 | 10,08 | 11,42 |
| Front tyres 4WD | 13.6/12-38 | 13.6/12-38 | 13.6-38 |
| Rear tyres 4WD | 13.6/12-38 | 13.6/12-38 | 13.6-38 |
| Weight 4WD | 4854 kg | 4854 kg | 6350 kg |
| Height with cab | 318 cm | 318 cm | - |
| Length (2WD/4WD) | 396 cm | 396 cm | 474 cm |
| Wheelbase (2WD/4WD) | 190 cm | 190 cm | 220 cm |
| Fuel tank | 182 l | 182 l | 409 l |
| Solid cab | x | x | x |
| Diff. lock | differential lock with cogs | differential lock with cogs | x |
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