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AGCO Allis 5660 Specs ( 1994-1999 )

Name: AGCO Allis 5660
Brand: AGCO

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Nebraska Test #S299

AGCO Allis 5660

Max Drawbar HP 48.8 hp

Max Pull 4,795 lbs

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Overview

The AGCO Allis 5660 is a farm tractor manufactured by SAME in Italy and distributed from 1994 to 1999. It is powered by an SLH 3.0L three-cylinder air-cooled diesel engine and features a mechanical configuration available in both two-wheel and four-wheel drive. Performance is supported by a 12-speed synchronized shuttle transmission and a Category II rear hitch with a 4,530-pound lift capacity.

Ideal Applications

Tested Performance and Efficiency: Nebraska Tractor Test data recorded a maximum of 57.0 PTO horsepower and a maximum drawbar pull of 4,795 lbs with a fuel consumption rate of 3.3 gallons per hour at maximum power.

Transmission and Mechanical Specifications: The tractor is equipped with a 12-speed or 16-speed synchronized shuttle transmission, power steering, hydraulic wet disc brakes, and an independent 540 RPM rear PTO.

Physical Dimensions and Hydraulic Capacity: This 6,020-pound tractor features an open-center hydraulic system with an 11.9 gpm pump flow and a wheelbase ranging from 80.9 to 82.9 inches depending on the drive type.

Production

Description	Built in Italy / Original price was $26,000 in 1999
Distributor	AGCO Allis
Manufacturer	SAME

Engine

Engine type	SLH 3.0L 3-cyl diesel
Fuel tank	15 gal (56.8 L)
Bore/Stroke	4.13x4.55 inches (105 x 116 mm)
Compression	17:1
Description	SLH 1000.3 / diesel / 3-cylinder / air-cooled inline
Displacement	183 ci (3.0 L)
Pre-heating	thermostart
Rated RPM	2350
Starter volts	12
Drawbar (claimed)	48.8 hp (36.4 kW)
Drawbar (tested)	48.8 hp (36.4 kW)
PTO (claimed)	56.9 hp (42.4 kW)
PTO (tested)	57 hp (42.5 kW)

Transmission

Description	Four gears (1-4) in three ranges (low, medium, high) with synchronized shuttle. Gear shifts are synchronized.
Gears	12 forward and reverse / 16 forward and 8 reverse
Type	sync shuttle
Transmission type	12-speed sync shuttle / 16-speed
Transmission type	12-speed sync shuttle / 16-speed

Mechanical

Description	Power steering / Hydraulic wet disc brakes / Two-post ROPS.
Drive type	Two- or four-wheel drive

Hydraulics

Pump flow	11.9 gpm (45.0 lpm)
Type	open center
Valves	2

Hitch

Rear lift (at 24"/610mm)	4530 lbs (2054 kg)
Rear Type	II

PTO

Engine RPM	540@2079
Rear PTO	independent
Rear PTO Type	540 (1.375)

Electrical

Battery volts	12
Ground	negative

Dimensions & Tires

Ag front	7.50-16
Ag rear	14.9R28
2WD Front tread	48.4 to 60.2 inches (122 to 152 cm)
2WD Wheelbase	82.9 inches (210 cm)
4WD Front tread	52.7 to 68.5 inches (133 to 173 cm)
4WD Wheelbase	80.9 inches (205 cm)
Height	88.5 inches (224 cm)
Length	141.3 inches (358 cm)
Rear tread	55.1 to 70.9 inches (139 to 180 cm)
Weight	6020 lbs (2730 kg)
Width	72.6 inches (184 cm)
2WD Wheelbase	82.9 inches (210 cm)
4WD Wheelbase	80.9 inches (205 cm)
Front tire	7.50-16
Rear tire	14.9R28
Weight	6020 lbs (2730 kg)

5660 Serial Numbers

1994	1000
1995	1001
1996	1087
Description	FAQ: How to read a serial number table.
Location:	Console, right side

OCED Tractor Test 1501

Description	Diesel 12-speed 4WDJuly 1993 - 1993, Link: OCED Tractor Test 1501 file / PTO performance / Drawbar performance / Gear 1F used for power test. / Gear 3N used for pull test.
Fuel use	3.3 gal/hour (12.5 l/hour) / 3.2 gal/hour (12.1 l/hour) / 3.3 gal/hour (12.5 l/hour)
Max power	48.8 hp (36.4 kW)
Max pull	4795 lbs (2175 kg)
Power at rated engine speed	57 hp (42.5 kW)
Power at rated PTO speed	56.3 hp (42.0 kW)

References

Description	5600 Series published in 1990, by AGCO

Variants

Argon 60	similar SAME model

Nebraska Tractor Test Results

Test #S299

Download PDF

Test Date: July, 1993

Location: ISMA Via Milano 43, 24047 Treviglio BG Italy

This section is compiled from original Nebraska Tractor Test PDFs using AI-assisted extraction and human review. For full verification, download the source PDF above. Differences between reports, incomplete source data, and occasional extraction or data entry mistakes can occur.

PTO Drawbar Hydraulics Technical Sound Tires & Weight

Maximum Power & Fuel Consumption

Rated Engine Speed

57.00 hp

N/A lb/hp·hr

Standard PTO Speed

56.30 hp

@ 1000 rpm PTO

Torque Statistics

Maximum Torque	136 lb-ft (186 Nm)
Torque Rise	7.3%

PTO Power Curve

Maximum Power & Fuel Consumption Details

Condition	HP	kW	RPM	PTO RPM	Fuel gal/hr
Rated Engine Speed	57.00	42.50	2355	1024	3.30
Standard PTO Speed (1000 rpm)	56.30	42.00	2300	1000	3.23

Varying Power & Fuel Consumption

Click column headers to sort

Power	RPM	gal/hr	lb/hp·hr	hp·hr/gal	DEF gal/hr
57.00	2355	3.30	0.40	17.26	N/A
50.00	2446	2.84	0.40	17.60	N/A
38.20	2492	2.31	0.42	16.55	N/A
25.90	2521	1.81	0.49	14.31	N/A
13.00	2548	1.29	0.69	10.09	N/A
N/A	2565	0.81	N/A	N/A	N/A

Fuel Consumption Characteristics

Click column headers to sort

Condition	Power	kW	Pull (lbs)	Pull (kN)	Speed	Slip	Air °F	Air °C	inHg	kPa
75% of Pull at Maximum Power—Five Hours ...	27.50	20.50	3,600	16	2.86	7	73	23	29.50	99.80

Maximum Power In Selected Gears

Click column headers to sort

Gear	Power	kW	Pull (lbs)	Pull (kN)	Speed	RPM	Slip	hp·hr/gal	Air °F	Air °C	inHg	kPa	Fuel Consumption Kg Kw H	Fuel Consumption Lb Hp Hr	Kw H L	Speed Km H	Temp Cooling Med
7th (3N) Gear	33.30	24.80	4,795	21.33	2.60	2495	15	14.47	73	23	29.50	99.80	0.29	0.48	2.85	4.19	air cld
8th (4N) Gear	48.40	36.10	4,555	20.27	3.98	2400	15	15.99	73	23	29.40	99.70	0.27	0.44	3.15	6.41	air cld
9th (1F) Gear	48.80	36.40	3,030	13.48	6.04	2350	5	14.72	73	23	29.40	99.70	0.29	0.48	2.90	9.71	air cld
10th (2F) Gear	40.70	30.40	1,555	6.91	9.82	2350	2	12.28	73	23	29.40	99.70	0.35	0.57	2.42	15.81	air cld

Engine

Make	S+L+H Diesel
Type	three cylinder vertical
Displacement	183 cu in (3000 ml)
Compression Ratio	17 to 1
Rated Engine Speed	2350 rpm
Air Cleaner	two paper elements
Crankshaft	lengthwise

Chassis

Type	front wheel assist
Steering	hydrostatic
Transmission	selective gear fixed ratio
Speeds	12 forward (25.34 mph max)
Front Tread Width	52.8 (1340 mm) to 60.6 (1540 mm) in
Rear Tread Width	51.2 (1300 mm) to 55.1 (1400 mm) in
Brakes	wet multiple disc hydraulically operated by two foot pedals which can be locked together
Hydraulic Control	direct engine drive
Unladen Tractor Mass	5,180 lbs ( 2,350 kg )

Consumables

Fuel	No. 2 Diesel
DEF Fluid	N/A

AGCO Allis 5660 Specs ( 1994-1999 )

Overview

Ideal Applications

Production

Engine

Transmission

Mechanical

Hydraulics

Hitch

PTO

Electrical

Dimensions & Tires

5660 Serial Numbers

OCED Tractor Test 1501

References

Variants

Nebraska Tractor Test Results

PTO Performance

Maximum Power & Fuel Consumption

Torque Statistics

PTO Power Curve

Maximum Power & Fuel Consumption Details

Varying Power & Fuel Consumption

Drawbar Performance

Fuel Consumption Characteristics

Maximum Power In Selected Gears

Hydraulic Performance

Lift Capacity

Technical Specifications

Engine

Chassis

Consumables

Sound Levels

Tires & Weight

Tires & Tracks

Test Remarks