HMT 5911 was launched by the HMT company which was Zetor design based tractor and initially when this tractor was launched it had orange color on its body and red and yellow on its bonnet. In initial time there was motorpal pump used in this tractor and it was slow speed tractor but with time company has changed its color scheme and there was black color on its body and same combination of yellow and red on bonnet. Then high speed transmission system was introduced in it and later Mico fuel injection pump was used by the company. Here we will discuss about each variant and its specifications and if anyone is having this tractor then this page will help the owner very much.
Specifications
HMT 5911 tractor has 4 cylinder naturally aspirated liquid cooled Zetor design based engine with 3456 CC displacement which can produce about 59 hp at 2200 engine rated RPM. Tractor has dry dual clutch system with 10 forwards + 2 reverse transmission system. Tractor has 1700 weight lifting capacity with 4 points linkage system. Tractor has 76 llitres fuel tank capacity in initial models and in later model 70 liters fuel tank capacity. Here are some more specifications of the tractor:
Engine
| Specifications | Data |
|---|---|
| 1. Engine Make | HMT (Zetor based) |
| 2. Engine Type |
|
| 3. Max Torque | No data available |
| 4. HP | 59 HP category (43 kw +- 5%) |
| 5. Bore*Stroke (MM) | 100*110 mm |
| 6. Displacement | 3456 CC |
| 7. Engine rated RPM | 2200 |
| 8. Pump | Inline Motorpal and mico |
| 9. Max engine RPM in tachometer | 2500 |
| 10. SFC | No data available |
| 11. Idle RPM | No data available |
| 12. Compression ratio | 17:1 |
| 13. Injection nozzles | DOP 160S – 430 – 4335 |
| 14. Fuel injections timing | 24.5° – 2° BTDC |
| 15. Engine weight without accessories | 405 kg |
| 16. Oil pump | Geared |
| 17. Oil cleaner | centrifugal full flow type |
Transmission
| Specifications | Data |
|---|---|
| 1. Clutch type & size | Dual (size not available) |
| 2. Transmission | 10F + 2R |
| 3. Clutch paddle free play | 20-25 mm |
Gear speed for high speed model
| Gear | Speed |
|---|---|
| L1 | 2.23 |
| L2 | 3.54 |
| L3 | 4.68 |
| L4 | 5.80 |
| L5 | 9.70 |
| L reverse | 3.90 |
| H1 | 7.56 |
| H2 | 11.17 |
| H3 | 15.80 |
| H4 | 19.59 |
| H5 | 32.90 |
| H Reverse | 13.20 |
Gear speed for low speed model
| Gear | Speed |
|---|---|
| L1 | 1.02 |
| L2 | 1.52 |
| L3 | 2.11 |
| L4 | 3.24 |
| L5 | 5.40 |
| L reverse | 1.33 |
| H1 | 4.35 |
| H2 | 6.47 |
| H3 | 9.01 |
| H4 | 13.83 |
| H5 | 23.07 |
| H Reverse | 5.67 |
Brakes
| Specifications | Data |
|---|---|
| 1. Type | Hydraulically expanding drum Brakes |
| 2. Minimum turning radius with brakes | No data available |
| 3. Minimum turning radius without brakes | No data available |
| 4. Brake paddle free play | No data available |
Steering
| Specifications | Data |
|---|---|
| 1. Mechanical | Available (Standard) |
| 2. Power | Available (Optional) |
| 3. Oil capacity (Mechanical steering) | 1.9 liters |
| 4. Oil capacity (Power steering) | 4 liters |
PTO
| Specifications | Data |
|---|---|
| 1. PTO HP @ Rated RPM | No data available |
| 2. PTO speeds-Standard | Available (540 PTO RPM at 2000 engine RPM) |
| 3. PTO speeds – Economy | 1000 PTO RPM at 2050 engine RPM |
| 4. PTO speeds – Reverse | Available (326.8 at 2200 ERPM) |
| 5. PTO speeds – Ground speed | 273 to 1331.6 PTO rounds @ 2200 engine rated RPM for high speed model |
PTO speeds for slow speed model
| Gear | PTO speeds at engine rated RPM |
|---|---|
| PTO speed at 1st gear | 250.4 |
| PTO speed at 2nd gear | 372.7 |
| PTO speed at 3rd gear | 519.3 |
| PTO speed at 4th gear | 797.7 |
| PTO speed at 5th gear | 1331.6 |
| PTO speed at reverse gear | 326.8 |
Hydraulics
| Specifications | Data |
|---|---|
| 1. Type | Live Auto depth and draft control |
| 2. Lift capacity | 1600 kg for old model 1700 kg for new model |
| 3. Additional | Zetromatic advance lift options for different type of soil and 4 point linkage system |
Tyres & pressure according to conditions
| Tyre | Pressure without heavy load | Pressure with ballast or heavy equipment |
|---|---|---|
| 6.50*20 7.50*16 | No data available No data available | No data available No data available |
| 14.9*28 | 12 psi | 20 psi |
| 16.9*28 | 14 psi (in field also) | 19 psi (on road also) |
Overall dimensions
| Measurements | For high speed model | For low speed model |
|---|---|---|
| 1. Wheel base | 2250 mm | 2247 mm |
| 2. Overall length | 3655 mm | 3655 mm |
| 3. Overall width | 1850 mm | 1800 mm |
| 4. Height up to exhaust pipe | 2220 mm | 1961 mm |
| 5. Min. ground clearance | 470 mm | 305 mm |
| 6. Total weight | 2250 kg with standard ballast 3325 kg with full ballast | 2710 kg (maximum weight) |
Others
| Specifications | Data |
|---|---|
| 1. Battery | 12 V, 88 Ah |
| 2. Alternator | No data available for high speed model and for low speed model 14V,35A |
| 3. Fuel tank capacity | 76 liters for low speed model 67 liters for low speed AC cabin model 70 liters for high speed model |
Oil & Lubrications for HMT 5911
| Part | For high speed model | For low speed model |
|---|---|---|
| Engine | 12 liters | 12 liters |
| Fuel injection pump | Mico 0.6 liter | Motorpal 0.2 liter |
| Transmission (for plane areas) | 25 liters | 25 liters |
| Transmission (for hilly areas) | 32 liters | 32 liters |
| Steering mechanical | 1.9 liters | 1.9 liters |
| Steering power | Not available | 4 liters |
| Portal | 1.9 liters for each and total 3.8 liters for both | 1.9 liters for each and total 3.8 liters for both |
| Air cleaner | 1.50 liters | 1.3 liters |
| Cooling system | 13 liters | 13 liters |
| Brake fluid vessel | 0.2 liters | 0.2 liters |
| Parts | Grade |
|---|---|
| Engine | SAE 10W30 |
| Transmission | SAE 80 |
| Air cleaner | SAE 10W30 |
| Power steering (if provided) | OL N2 |
| Portals | SAE 80 |
| Grease | LITOL 24 |
| Mechanical steering | SAE 80 |
| Fuel injection pump | SAE 10W 30 |
NOTE: For superior performance you can go with semi synthetic or full synthetic oil.
Here are some details of tractor’s instrument cluster:
- Tachometer with maximum 2500 engine RPM.
- Speedometer.
- Analog hour meter.
- Engine oil pressure gauge.
- Ammeter.
- Air pressure gauge.
Troubleshooting the tractor:
Here are some common problem which may appear after a long time of continuous use of tractor or lack of proper maintenance:
- Fuel injection pump is not supplying proper fuel to engine:
- Air trapped in fuel injection system.
- Fuel filters are contaminated.
- Dirt in diesel.
- Engine runs irregularly:
- Air trapped in fuel injection system lines.
- Fault in fuel injectors.
- Dirt in delivery valve.
- Engine is attaining its maximum power:
- Fuel injection nozzles are clogged.
- Fuel injectors adjustment is incorrect.
- Wrong adjustment of valve clearance.
- Leakage from head gasket.
- Damage in piston rings.
- Loose cylinder head bolts.
- Overheating of engine:
- Low water level in radiator.
- Radiator cap is defective.
- Internal blockage of radiator.
- Radiator needs a flush.
- Loose fan belt.
- Battery is not charging properly:
- Alternator belt slipping (loose).
- Life of battery is complete.
- Voltage controlling relay is set to low limit of voltage.
- Fault in alternator.
- Excessive charging of battery:
- Short circuit in internal battery cell.
- Fault voltage controlling relay.
- Starter motor is not working properly:
- Worn carbon brushes.
- Spring of carbon is broken.
- Defect in electromagnet coil.
- Carbon brushes springs are loose.
- Starter motor is rotating engine very slowly:
- Battery voltage is very low.
- Brake paddle travel too long before stopping tractor:
- Low level of brake fluid.
- Air trapped in braking system.
Here is full information about information about tractor’s Periodic maintenance chart:
Periodic Maintenance chart:
| Jobs | ||||
|---|---|---|---|---|
| Every 10 | Every 100 | Every 200 | Every 1200 | |
| Check & top up engine oil level | ✓ | |||
| Check & top up transmission oil level | ✓ | |||
| Clean air cleaner | ✓ | |||
| Check air pressure in tyres | ✓ | |||
| Check and top up engine oil level | ✓ | |||
| Check & top up transmission oil level | ✓ | |||
| Change air cleaner oil | ✓ | |||
| Check and top up portal oil level | ✓ | |||
| Lubricate water pump | ✓ | |||
| Check and top up oil level in fuel injection | ✓ | |||
| Lubricate clutch releasing sleeve | ✓ | |||
| Lubricate wheel extensions | ✓ | |||
| Lubricate clutch and brake pedals | ✓ | |||
| Lubricate RH strut | ✓ | |||
| Lubricate draft control system | ✓ | |||
| Lubricate steering sleeve | ✓ | |||
| Lubricate hand brake cable | ✓ | |||
| Check steering damper tank leakages | ✓ | |||
| Change engine oil and clean oil filters | ✓ | |||
| Clean fuel filters | ✓ | |||
| Clean transmission hydraulic oil filter | ✓ | |||
| Change transmission oil | ✓ | |||
| Change portal oil | ✓ | |||
| Change steering oil (mechanical and power) | ✓ | |||
| Change transmission oil and oil filter | ✓ | |||
| Change fuel injection pump oil | After 2400 hours | |||
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Why HMT 5911 tractor so popular?
Because this was the most advance tractor in case of features of its time and even today it is hard find a tractor which can beat HMT 5911 tractor in case feature and reliability.
How many HP HMT 5911 tractor can produce?
This tractor can produce about 59 hp at 2200 engine rated RPM, has 4 cylinder naturally aspirated liquid cooled engine which was based on Zetor 5911 tractor's engine.