Volvo T55

Last Updated: July 2024

Overview

The Volvo T55 is a standard-tread utility tractor powered by a Bolinder 1054 four-cylinder, liquid-cooled, naturally aspirated diesel engine. Based on independent test results from the University of Nebraska Tractor Test Laboratory (Test 638, 1958), the engine's maximum power output is 55.54 hp at 2000 rpm, with a maximum torque of 195 lb-ft at 1400 rpm. The tractor has a gear-type transmission with 5 forward and 1 reverse gear. It has a 4x2 2WD chassis configuration and agricultural tires. Key dimensions include a length of 135.8 inches, width of 72.4 inches, and an operating weight of 6504 lbs. The coolant capacity is 19 quarts.
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Key Specifications

Category: Utility, Standard Tread

Power Output: 55.54

Transmission: Gear

Drive Type: 2WD

Operating Weight: 6504

Fuel Type: Diesel

Volvo T55 vs. Similar Tractors

Power Output
Average
Greater than 44% of similar tractors.
Operating Weight
Average
Greater than 50% of similar tractors.

Technical Specifications

Engine

Manufacturer
Bolinder
Model
1054
Cooling Type
Liquid-cooled
Cylinder Orientation
-
Valve Configuration
-
Fuel Type
Diesel
Induction Type
Naturally aspirated
Cylinders
4
Displacement (ci)
273.4
Bore (in)
4.13
Stroke (in)
5.12
Rated RPM
1500
Power Output (hp)
55.54

Transmission

Type
Gear
Forward Gears
5
Reverse Gears
1
Total Gears
-

Dimensions

Length (in)
135.8
Width (in)
72.4
Height (in)
-
Operating Weight (lb)
6504

Power Take-Off (PTO)

PTO Type
-
PTO Speed 1 (rpm)
-
PTO Speed 2 (rpm)
-
PTO Speed 3 (rpm)
-

Miscellaneous

Chassis
4x2
Drive Type
2WD
Steering Type
-
Coolant Capacity (qts)
19
Front Tire Diameter (in)
-
Front Tire Width (in)
-
Rear Tire Diameter (in)
-
Rear Tire Width (in)
-
Front/Rear Rim Diameter (in)
-
Tire Type
Agricultural
Manufacture - End Year
-
Hitch Type
-
Hitch Category
-
Hitch Position
-
Hitch Capacity (lb)
-
Operator Station Type
-
Starter Type
Electric
Brake Type
-
Hydraulic System Type
-

Test Results

Nebraska Tractor Test Laboratory - Test Date: 1958

Maximum Power and Fuel Consumption

  • Maximum Power: 55.54 HP (41.43 kW) at 2000 rpm
  • Fuel Consumption at Maximum Power: 3.64 Gal/hr (13.78 l/h) with a fuel efficiency of 0.535 lb/hp.hr (0.325 kg/kW.h)

Drawbar Performance

  • Power at Rated Engine Speed: 48.72 HP (36.32 kW) with a drawbar pull of 7112 lbs (31.64 kN) and a speed of 3.69 mph (5.94 km/h)
  • Fuel Consumption at Rated Speed: 0.565 lb/hp.hr (0.344 kg/kW.h) with a fuel efficiency of 12.54 Hp.hr/gal (2.47 kW.h/l)

Torque and Engine Performance

  • Maximum Torque: 195 lb.-ft. (264 Nm) at 1400 rpm
  • Torque Rise: Not specified in the provided summary.

Hydraulic Performance

  • Maximum Force Exerted: Data not provided in the summary.
  • Pump Delivery Rate: Data not provided in the summary.
  • Hydraulic Power: Data not provided in the summary.

Overall Efficiency

  • Fuel Efficiency at Standard PTO Speed: Data not provided in the summary.
  • Fuel Consumption: Data not provided in the summary.



Nebraska Tractor Test Lab, "Test 638: Volvo Model T55 (Diesel)" (1958). Nebraska Tractor Tests. 1078. Retrieved from https://digitalcommons.unl.edu/tractormuseumlit/1078

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