Utility tractorsSpec sheet
New Holland T9.645
The New Holland T9.645 is a powerful utility tractor built for big jobs. It has a strong 6-cylinder diesel engine made by FPT. This engine is very big, with 787 cubic inches, and can produce 580 horsepower. That's a lot of power, putting it near the top of all tractors. This tractor is big and heavy, weighing 44,046 pounds. It has four-wheel drive and a special steering system that helps it turn easily. The T9.645 has a comfortable cab for the driver and big agricultural tires. It can go forward in 17 different speeds and backward in 2 speeds. The tractor also has a modern system to reduce harmful emissions from its engine. New Holland is known for making good farm equipment, and this tractor shows why. It has many features that help farmers work efficiently. The hydraulic system is advanced, and the hitch can lift heavy tools. With its size and power, the T9.645 is perfect for large farms that need to do a lot of work quickly.
ManufacturerNew HollandPower580 hp(432.5 kW)Class300+ HP tractors →Engine6-cylinderTransmissionFull power shift
Image not recorded
Key specifications
- Category
- Utility
- Engine power
- 580hp
- Operating weight
- 44,046 lb
- Transmission
- Full power shift
Category comparison
T9.645 compared with its category
vs. Utility medianDistribution
Engine Power (hp)
All recorded Utility tractors
580 hp · 99th
This model
9
Median 55 hp
177
580
This modelUtility tractorsMediann = 5,383
The T9.645 ranks at the 99th percentile for engine power among recorded utility tractors.
Overview
About the New Holland T9.645
The New Holland T9.645 is a powerful utility tractor built for big jobs. It has a strong 6-cylinder diesel engine made by FPT. This engine is very big, with 787 cubic inches, and can produce 580 horsepower. That's a lot of power, putting it near the top of all tractors. This tractor is big and heavy, weighing 44,046 pounds. It has four-wheel drive and a special steering system that helps it turn easily. The T9.645 has a comfortable cab for the driver and big agricultural tires. It can go forward in 17 different speeds and backward in 2 speeds. The tractor also has a modern system to reduce harmful emissions from its engine. New Holland is known for making good farm equipment, and this tractor shows why. It has many features that help farmers work efficiently. The hydraulic system is advanced, and the hitch can lift heavy tools. With its size and power, the T9.645 is perfect for large farms that need to do a lot of work quickly.
Full specifications
Recorded specifications
General
| Manufacturer | New Holland |
|---|---|
| Model | T9.645 |
| Category | Utility tractor |
| Type | 4x4 articulated 4WD |
| Operating weight | 44,046lb(19,980 kg) |
Engine
| Make | FPT |
|---|---|
| Model | Cursor 13 TST |
| Power | 580hp(432.5 kW) |
| Cylinders | 6 |
| Displacement | 787ci(12.9 L) |
| Bore | 5.31in(134.9 mm) |
| Stroke | 5.91in(150.1 mm) |
Transmission
| Type | Full power shift |
|---|---|
| Forward gears | 17 |
| Reverse gears | 2 |
Chassis & drive
| Chassis | 4x4 articulated 4WD |
|---|---|
| Drive | 4WD |
| Steering | Hydrostatic power articulated |
| Cab | Cab |
Hydraulics
| Type | Closed center load sensing (CCLS) |
|---|
Dimensions
| Length | 295in(7,493 mm) |
|---|---|
| Width | 120in(3,048 mm) |
| Height | 156in(3,962 mm) |
| Operating weight | 44,046lb(19,980 kg) |
Closest alternatives
T9.645 compared with the nearest models by horsepower
Among utility tractors, the CaseIH Steiger 580 and the Versatile 575 are closest to the New Holland T9.645 in rated horsepower. The CaseIH Steiger 580 matches it on rated power and weighs 4,100 lb more, so it carries more weight per horsepower, which helps traction in draft work. The Versatile 575 is rated 5 hp lower and weighs 1,650 lb more. Of the 3 models, the T9.645 has the lowest weight per horsepower at 76 lb per hp.
| Spec | New Holland T9.645 | CaseIH Steiger 580 | Versatile 575 |
|---|---|---|---|
| Engine power | 580 hp432.5 kW | 580 hp432.5 kW | 575 hp428.8 kW |
| Operating weight | 44,046 lb19,979 kg | 48,147 lb21,839 kg | 45,700 lb20,729 kg |
| Weight per hp | 76 lb/hp46 kg/kW | 83 lb/hp50 kg/kW | 79 lb/hp48 kg/kW |
| Displacement | 787 ci12.9 L | 787 ci12.9 L | 912 ci14.95 L |
| Cylinders | 6 | 6 | 6 |
| Transmission | Full power shift | Full power shift | Full power shift |
| Drive | 4WD | Four-wheel Drive (4WD) | 4WD |
Calculators
Calculators for the T9.645
PTO power
About 481 to 522 PTO hp
Estimated from the 580 hp engine rating. The calculator also estimates drawbar power by surface.
Implement sizing
Implements a 580 hp tractor can run
Maximum size is about a 69 ft rotary cutter or a 59 ft tiller. The calculator also sizes discs, plows and balers.
Ballast
88 lb per PTO hp as listed
Heavy draft work calls for 110 to 125 lb/hp. The calculator gives the ballast to add.
Units
580 hp is 432.5 kW
The converter gives kW and metric PS values, as used on European spec sheets.
Category medians
T9.645 vs. Utility median
New Holland T9.645 compared with other Utility tractors
| Spec | This model | Utility median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 580 hp | 55 hp | +955% | 99th |
| Engine Displacement | 787 ci | 183 ci | +330% | 97th |
| Cylinders | 6 | 4 | +50% | 93rd |
| Forward Gears | 17 | 12 | +42% | 82nd |
| Operating Weight | 44,046 lb | 5,303 lb | +731% | 99th |
| Length | 295 in | 137 in | +116% | 99th |
| Width | 120 in | 66 in | +82% | 99th |
| Height | 156 in | 94.1 in | +66% | 99th |
Medians and percentiles are calculated from the utility tractors in the database that have a recorded value for each specification (sample size 3,933–5,720 models).
Same manufacturer
Other New Holland models
Other manufacturers
Models with similar horsepower
FAQ
Frequently asked questions
How powerful is the New Holland T9.645?
The New Holland T9.645 has an engine power output of 580 hp. It is powered by a 6-cylinder engine displacing 787 ci.
What type of hydraulic system does the New Holland T9.645 use?
Hydraulics on the New Holland T9.645 are Closed center load sensing (CCLS).
What is the working weight of the New Holland T9.645?
The operating weight of the New Holland T9.645 is approximately 44,046 lb.
What type of transmission does the New Holland T9.645 have?
The New Holland T9.645 uses a Full power shift transmission offering 17 forward gears.
What routine service does the New Holland T9.645 need?
Regular maintenance for the New Holland T9.645 includes checking and changing engine oil, hydraulic fluid, and filters, plus routine inspections as recommended in the owner's manual. Always follow the manufacturer's maintenance schedule for specific intervals and procedures.