About this model: Built 1968-71, the AC One-Sixty is a 54 hp utility tractor powered by a Perkins three-cylinder diesel and a 10-forward / 2-reverse gearbox.
Engine Specifications
| Make | Perkins |
|---|---|
| Model | AD 3.152 |
| No. of cylinders | 3 |
| Bore / stroke | 3.6″ × 5.0″ |
| Piston displacement | 152.7 cu in |
| Compression ratio | 18.5 : 1 |
| Low / high idle | 725-775 rpm / 2425-2475 rpm |
| Rated speed | 2250 rpm |
| Injection timing | 24° BTDC |
| Fuel-injection pump | CAV |
| Valve lash – hot (int. / exh.) | 0.010″ / 0.010″ |
General Specifications
| Air cleaner | Dry |
|---|---|
| Brakes | Disc |
| Clutch | Dry, 2-stage |
| Differential ratio | 7.3 : 1 (2-pinion) |
| Electrical system | 12 V, 95 Ah battery (neg ground), Delco-Remy alternator & starter |
| Final-drive ratio | 4.6 : 1 |
| Governor | Mechanical (injection-pump integral) |
| Hydraulic lift pump | Gear, 6.7 gpm @ 2250 rpm |
| Power-steering pump | Gear, 7.5 gpm @ 2250 rpm |
| PTO | 540 rpm; 6-spline, 1-3/8″ shaft (2160 engine rpm) |
| Transmission | Constant-mesh, helical-gear; 10 F / 2 R (9th & 10th syncro) |
| Tires (factory) | Front 6.00 × 16 4-ply • Rear 12.4 × 28 or 13.6 × 28 6-ply |
Gear Speeds (with 13.6 × 28 tires @ 2250 rpm)
| 1st Lo | 0.6 mph | 6th Hi | 3.7 mph |
|---|---|---|---|
| 2nd Lo | 0.9 | 7th Hi | 5.4 |
| 3rd Lo | 1.3 | 8th Hi | 7.4 |
| 4th Lo | 1.9 | 9th Hi | 11.6 |
| 5th Hi | 2.4 | 10th Hi | 15.5 |
| Rev Lo | 0.9 | Rev Hi | 3.7 |
Dimensions & Capacities
| Wheelbase | 76″ |
|---|---|
| Turning radius (brake / no-brake) | 108″ / 119″ |
| Overall length | 138″ |
| Operating weight* | 5720 lb (with liquid ballast & 6 front weights) |
| Cooling system | 8 qt (US) / 6.7 qt (Imp) |
| Engine oil – change / filter | 6 qt / 6.5 qt (US) |
| Fuel tank | 13.5 gal (US) |
| Trans & hydraulic system | 29 qt (US) |
| Power-steering reservoir | 2 qt (US) |
*factory ballast values from operator’s manual.
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