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Oliver 77 HC/KD

Built: 1948–1954 · Series: FLEETLINE-SERIE

More machines from model year 1948

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The Oliver 77 HC/KD is a model in the FLEETLINE series. Production: 1948–1954. The engine delivers 36 hp (26.5 kW), has 6 cylinders, with a displacement of 3,178 cm³. Rated speed is 1,600 rpm. The machine is 3,283 mm long, 1,702 mm wide and 1,424 mm high. The unladen weight is 1,746 kg. The wheelbase measures 1,988 mm. Ground clearance is 319 mm. Top speed is 20 km/h. Transmission: 6 V/2 R or 4 V/4 R. The engine is water-cooled. Tyres: front 5.50 x 16 (RC = 9.00 x 10), rear 12 x 26 (RC = 11 x 38). The fuel is Benzin/Kerosin/LPG/Diesel. The bore measures 84.14 mm. The stroke is 95.25 mm. The compression ratio is 6.75:1. Construction: frame construction. Around 5.051 (RC = 34.447) units were built. The FLEETLINE-SERIE series covers 4 models. Rated output within it ranges from 25 to 65 hp; the 77 HC/KD sits in the lower part of that range with 36 hp. Its immediate neighbours are the 66 below it with 25 hp and the 88 HC/KD above it with 41.5 hp. Unladen weight within it ranges from 1,315 to 3,758 kg; here the 77 HC/KD sits in the lower part of that range with 1,746 kg. 70 Oliver models across 13 series are on record.

Oliver Fleetline series: the post-war 66 to 99 range from 1948 to 1954, 18.4 to 47.8 kW from four- to six-cylinder engines of 2,118 to 4,942cc, optional petrol, kerosene, LPG or diesel operation

The Fleetline series replaced Oliver's pre-war 70/80/90 range in 1948 and ran until 1954 with four base models: the 66, 77, 88 and 99; the HC and KD suffixes denote different versions within the 77 and 88 series. The engines came from Oliver's collaboration with Waukesha and, depending on the model, were set up for petrol, kerosene, LPG or diesel, letting post-war American farms choose whichever fuel was cheapest to hand.

Read on 3 more paragraphs

The register lists 4 versions with 18.4 to 47.8 kW from four- to six-cylinder engines of 2,118 to 4,942cc, kerb weights from 1,315 to 3,758 kg, lengths from 3,146 to 3,604 mm, widths from 1,583 to 1,727 mm, heights from 1,373 to 1,753 mm and rated speeds from 1,600 to 1,675 rpm.

The Fleetline series marked Oliver's move into modern post-war farm machinery with streamlined bodywork, an enclosed radiator grille and the six-cylinder engines in the larger models that became characteristic of the brand; it competed with the John Deere Model A/B, Farmall H/M and Massey-Harris 44.

When buying used, check the carburettor or fuel system according to fuel type, engine oil-tightness, clutch and gearbox condition, and corrosion on the mudguards and body panels; spare parts for the widely produced Fleetline series are comparatively easy to find through the North American vintage tractor market.

Sources: SpecCodex register, model data: Oliver Fleetline-Serie

Technical data

Engine

FuelBenzin/Kerosin/LPG/Dieselcorrect
Power36 hp (26.5 kW)correct
Rated speed1,600 rpmcorrect
Cylinders6correct
Displacement3,178 cm³correct
Bore84.14 mmcorrect
Stroke95.25 mmcorrect
Compression ratio6.75correct
Coolingwater-cooledcorrect

Dimensions and weights

Length3,283 mmcorrect
Width1,702 mmcorrect
Height1,424 mmcorrect
Wheelbase1,988 mmcorrect
Ground clearance319 mmcorrect
Unladen weight1,746 kgcorrect

Drivetrain and chassis

Driverear-wheel drivecorrect
Gearbox6 V/2 R or 4 V/4 Rcorrect
Front tyres5.50 x 16 (RC = 9.00 x 10)correct
Rear tyres12 x 26 (RC = 11 x 38)correct
Top speed20 km/hcorrect

Origin and approval

Constructionframe constructioncorrect
Units built5.051 (RC = 34.447)correct

Where this model stands

Power-to-weight ratio: 15.2 kW/t (26 kW / 1.7 t)

Power class: Compact (< 40 hp)

Stronger than 22% of the tractors in the register — out of 15,663 models with a stated power figure.

Calculated from the documented figures above — not a rating.

Frequently asked questions

How much power does the Oliver 77 HC/KD have?

The Oliver 77 HC/KD delivers 36 hp.

How much does the Oliver 77 HC/KD weigh?

The unladen weight is 1,746 kg.

What engine does the Oliver 77 HC/KD have?

6 cylinders, 3,178 cm³ displacement, Benzin/Kerosin/LPG/Diesel.

How fast does the Oliver 77 HC/KD go?

Top speed is 20 km/h.

What are the dimensions of the Oliver 77 HC/KD?

3,283 mm × 1,702 mm × 1,424 mm.

When was the Oliver 77 HC/KD built?

Production years: 1948–1954.

What to check before buying

  • Check the hour meter against the service records — a replaced instrument is the most common gap.
  • Compare the data plate and chassis number with the papers.
  • Check the weights in the papers against the figures here — attachments change them.
  • Check front and rear tyre sizes: mismatched pairs strain the drivetrain.
  • Shift the gearbox cold and warm — jumps only show up at temperature.
  • Load the hydraulics and watch for sag.
  • Ask about parts availability for this build year — the running costs hang on it.

A general list for this type of machine — no substitute for an inspection or an appraiser.

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This page carries 23 individual figures for this model. They come from 1 recorded source; every figure can be traced there. What we cannot document is not here — we leave gaps open rather than estimate them.

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Other models in this series

Sources: [1]

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