Overview
The Montana R3644 is a four-wheel drive compact utility tractor manufactured by LS and distributed between 2007 and 2010. It is equipped with a 1.8L Mitsubishi four-cylinder diesel engine rated at 38.5 hp, paired with either a 12-speed synch shuttle or a three-range hydrostatic transmission. The chassis features a 117-inch length, a 13-inch ground clearance, and a Category I rear hitch with a 2,619-pound lift capacity.
Ideal Applications
Powertrain and PTO Ratings:
The Mitsubishi S4L2 liquid-cooled diesel engine is rated at 2700 RPM, providing a claimed 31 hp for gear-driven PTO systems and 29 hp for hydrostatic configurations.
Hydraulic System Performance:
The system is equipped with dual valves and a pump flow of 8.1 gpm at 2417 psi, complemented by a dedicated steering pump flow of 3.592 gpm.
Mechanical and Chassis Configuration:
This model features a four-wheel drive layout with power steering, wet disc brakes, and a two-post ROPS, supported by a 12V electrical system with a 50-amp alternator.
Production
| Description | Compact Utility tractor |
|---|---|
| Distributor | Montana |
| Manufacturer | LS |
Engine
| Engine type | Mitsubishi 1.8L 4-cyl diesel |
|---|---|
| Fuel tank | 8.5 gal (32.2 L) |
| Air cleaner | dry dual element |
| Bore/Stroke | 3.07x3.622 inches (78 x 92 mm) |
| Description | Mitsubishi S4L2 / diesel / 4-cylinder / liquid-cooled |
| Displacement | 107.3 ci (1.8 L) |
| Fuel system | indirect injection |
| Power | 38.5 hp (28.7 kW) |
| Rated RPM | 2700 |
| Starter volts | 12 |
| Gear PTO (claimed) | 31 hp (23.1 kW) |
| Hydro PTO (claimed) | 29 hp (21.6 kW) |
Transmission
| Gears | 12 forward and reverse / infinite forward and reverse (3-range) |
|---|---|
| Transmission | sliding gear, synch shuttle |
| Type | hydrostatic |
| Description | hydrostatic |
| Transmission type | 12-speed |
| Description | hydrostatic |
| Transmission type | 12-speed |
Mechanical
| Description | Power steering / Wet disc brakes / Two-post ROPS. |
|---|---|
| Drive type | Four-wheel drive |
Hydraulics
| Pressure | 2417 psi (166.7 bar) |
|---|---|
| Pump flow | 8.1 gpm (30.7 lpm) |
| Steering flow | 3.592 gpm (13.6 lpm) |
| Steering press. | 1706 psi (117.6 bar) |
| Valves | 2 |
Hitch
| Rear lift (at ends) | 2619 lbs (1187 kg) |
|---|---|
| Rear Type | I |
PTO
| Mid PTO | optional |
|---|---|
| Rear PTO | independent |
| Rear PTO Type | 540 |
Electrical
| Battery volts | 12 |
|---|---|
| Charging amps | 50 |
| Charging system | alternator |
| Ground | negative |
Dimensions & Tires
| Ground clearance | 13 inches (33 cm) |
|---|---|
| Height | 91 inches (231 cm) |
| Length | 117 inches (297 cm) |
| Weight | 2712 lbs (1230 kg) |
| Front tire | 7-16,4PR (7-14) |
| Rear tire | 12.4-24,8PR (11.2-24) |
| Weight | 2712 lbs (1230 kg) |
| Ag front | 7-16,4PR (7-14) |
| Ag rear | 12.4-24,8PR (11.2-24) |