Massey Ferguson 3645
The Massey Ferguson 3645 is a utility tractor built from 1990 to 1995. It's a 2WD model with power steering, making it easy to handle. The tractor has a SynchroShuttle transmission with 8 forward and 8 reverse gears, giving drivers good control over speed. Under the hood, there's an AGCO SisuDiesel 33 DT engine. This 3-cylinder diesel engine is turbocharged and liquid-cooled. It puts out 91 hp at 2200 rpm, which is above average for its class. The engine size is average at 201 cubic inches. The tractor has a strong rear hitch, able to lift 5,515 pounds, which is very high compared to other tractors. It weighs 5,071 pounds, about average for its size. The Massey Ferguson 3645 comes with a ROPS (Roll-Over Protective Structure) for safety and uses an open center hydraulic system.

Quick specs
- Category
- Utility
- Engine Power Output
- 91hp
- Operating Weight
- 5,071 lb
- Transmission
- SynchroShuttle
At a glance
How the 3645 compares
vs. Utility medianDistribution
Engine Power (hp)
Across all Utility tractors
This model
The 3645 ranks at the 79th percentile for engine power among recorded utility tractors.
Overview
About the Massey Ferguson 3645
The Massey Ferguson 3645 is a utility tractor built from 1990 to 1995. It's a 2WD model with power steering, making it easy to handle. The tractor has a SynchroShuttle transmission with 8 forward and 8 reverse gears, giving drivers good control over speed. Under the hood, there's an AGCO SisuDiesel 33 DT engine. This 3-cylinder diesel engine is turbocharged and liquid-cooled. It puts out 91 hp at 2200 rpm, which is above average for its class. The engine size is average at 201 cubic inches. The tractor has a strong rear hitch, able to lift 5,515 pounds, which is very high compared to other tractors. It weighs 5,071 pounds, about average for its size. The Massey Ferguson 3645 comes with a ROPS (Roll-Over Protective Structure) for safety and uses an open center hydraulic system.
Full specifications
Every recorded spec
General
| Manufacturer | Massey Ferguson |
|---|---|
| Model | 3645 |
| Category | Utility tractor |
| Type | 4x2 2WD |
| Years built | 1990–1995 |
| Operating weight | 5,071lb |
Engine
| Make | AGCO |
|---|---|
| Model | SisuDiesel 33 DT |
| Power | 91hp |
| Cylinders | 3 |
| Displacement | 201ci |
| Bore | 4.25in |
| Stroke | 4.72in |
Transmission
| Type | SynchroShuttle |
|---|---|
| Forward gears | 8 |
| Reverse gears | 8 |
Chassis & drive
| Chassis | 4x2 2WD |
|---|---|
| Drive | 2WD |
| Steering | Power steering |
| Cab | ROPS |
Hydraulics
| Type | Open Center |
|---|
Dimensions
| Length | 148in |
|---|---|
| Width | 76in |
| Height | 99in |
| Operating weight | 5,071lb |
Head to head
3645 vs. Utility median
How the Massey Ferguson 3645 compares to other Utility tractors
| Spec | This model | Utility median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 91 hp | 55 hp | +65% | 79th |
| Engine Displacement | 201 ci | 183 ci | +10% | 54th |
| Cylinders | 3 | 4 | -25% | 23rd |
| Forward Gears | 8 | 12 | -33% | 23rd |
| Operating Weight | 5,071 lb | 5,303 lb | -4% | 48th |
| Length | 148 in | 137 in | +8% | 64th |
| Width | 76 in | 66 in | +15% | 73rd |
| Height | 99 in | 94.1 in | +5% | 64th |
| 3-Point Hitch Capacity | 5,515 lb | 3,197 lb | +73% | 78th |
Medians and percentiles are computed from the utility tractors in our database with a recorded value for each spec (sample sizes 1,083–5,720 models).
Compare to tractors with similar specs
Commonly compared Massey Ferguson tractors
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| Massey Ferguson 2670 HD | 91 hp | 6,812 lb | 2010–2013 | Compare → |
| Massey Ferguson 399 | 90.5 hp | 8,675 lb | 1987–1991 | Compare → |
| Massey Ferguson 3650A | 92 hp | 6,239 lb | — | Compare → |
| Massey Ferguson 4609 | 90 hp | 6,835 lb | 2013–2015 | Compare → |
| Massey Ferguson 4709 | 90 hp | 7,478 lb | 2016+ | Compare → |
Commonly compared tractors with similar horsepower from other brands
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| Allis Chalmers 6080 | 93 hp | 6,500 lb | 1980–1985 | Compare → |
| Antonio Carraro Mach 2 | 87 hp | 6,504 lb | — | Compare → |
| Antonio Carraro Mach 4 | 87 hp | 6,725 lb | — | Compare → |
| Antonio Carraro SRH 9800 Infinity | 87 hp | — | — | Compare → |
| Antonio Carraro SRX 10400 | 95 hp | 4,718 lb | — | Compare → |
Explore
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Gallery
Massey Ferguson 3645 photos



FAQ
Common questions
When was the Massey Ferguson 3645 in production?
Massey Ferguson 3645 production started in 1990 and ended in 1995.
What hitch category is the Massey Ferguson 3645?
The Massey Ferguson 3645 uses a Category Category 3 hitch with a lift capacity of 5,515 lb.
How much horsepower does the Massey Ferguson 3645 have?
The Massey Ferguson 3645 produces 91 hp from its 3-cylinder engine. Engine displacement is 201 ci.
How much does the Massey Ferguson 3645 weigh?
The Massey Ferguson 3645 weighs about 5,071 lb in operating condition.
What transmission is in the Massey Ferguson 3645?
Transmission on the Massey Ferguson 3645 is SynchroShuttle, with 8 forward speeds.
What type of hydraulic system does the Massey Ferguson 3645 use?
Hydraulics on the Massey Ferguson 3645 are Open Center.
What maintenance does the Massey Ferguson 3645 require?
Like any tractor, the Massey Ferguson 3645 needs periodic engine oil and filter changes, hydraulic fluid checks, and regular greasing and inspection. The owner's manual lists the manufacturer's recommended service intervals.

