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Oliver 66 Row-Crop vs Oliver 77 Standard

Verdict: Oliver 66 Row-Crop vs Oliver 77 Standard

The Oliver 66 Row-Crop and the Oliver 77 Standard are both tractors — here is how they stack up on the figures that matter. Oliver 77 Standard leads on rated power with 28 hp against 23 hp. Oliver 77 Standard is the lighter machine (1,746 kg vs 3,193 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Oliver 77 Standard holds more fuel (62.5 L vs 37.9 L) for longer stints between fills. In short: choose the Oliver 77 Standard for outright pulling power, or the Oliver 66 Row-Crop if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.

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Fit & specs
Oliver 66 Row-Crop Tractor
Oliver
62
Fit score
Best match
Clear
Oliver 77 Standard Tractor
Oliver
62
Fit score
Best match
Clear
Rated power
23 hp
28 hp
Confidence
40%
40%
Guide price
Overview
Manufacturer
OliverReference
OliverReference
Diesel 6-speed 2WDOctober 12 - 18, 1951Link: Nebraska Tractor Test 467 fileReference
Gear 1 used for pull test.Reference
Original price
$2,000 (1954)Reference
Steering
manualReference
Variants
66R
row-cropReference
66S
standardReference
77 Row-Crop
tricycle chassisReference
77 Standard
standard frontReference
77 Orchard
low-profileReference
Engine
Fuel tank
37.9 LReference
62.5 LReference
Plows
2 (14-inch)Reference
2-3Reference
Drawbar (tested)
16.8 kWReference
21.2 kWReference
Belt (tested)
18.7 kWReference
25.0 kWReference
Displacement
2.1 LReference
3.2 LReference
Bore/Stroke
84 x 95 mmReference
84 x 95 mmReference
Fuel system
Marvel-Schebler carburetorReference
Air cleaner
oil bathReference
oil bathReference
Compression
15.5:1Reference
15.75:1Reference
Rated RPM
1600Reference
1600Reference
Coolant capacity
13.2 LReference
17.0 LReference
Belt power (max)
18.7 kWReference
25.0 kWReference
Max power
16.8 kWReference
21.2 kWReference
Firing order
1-5-3-6-2-4Reference
Oil capacity
7.6 LReference
Transmission
Gears
6 forward and 2 reverseReference
6 forward and 2 reverseReference
Clutch
dry discReference
dry discReference
PTO & Hydraulics
Type
unsynchronized gearReference
unsynchronized gearReference
Rear PTO
independentReference
independentReference
Rear PTO Type
540Reference
540 (1.375)Reference
Dimensions
Wheelbase
220 cmReference
198 cmReference
Weight
3193 to 3795 poundsReference
1746 kgReference
Front tire
5.00-15Reference
5.50-16Reference
Rear tire
8-38Reference
12-26Reference
Ag front
5.00-15Reference
5.50-16Reference
Ag rear
10-38Reference
12-26Reference
Length
342 cmReference
329 cmReference
Height
216 cmReference
Ground clearance
61 cmReference
29 cmReference
Front tread
128 to 222 cmReference
119/132 cmReference
Rear tread
152 to 223 cmReference
133 cmReference
Operating
1721 kgReference
Ballasted
2523 kgReference
Height (steering wheel)
176 cmReference
Height (hood)
141 cmReference
Operating weight
1746 kgReference
Ballasted weight
3364 kgReference
66 Serial Numbers
1949
420001Reference
269941Reference
1950
423101Reference
271267Reference
1951
426011Reference
272466Reference
1952
429771Reference
273376Reference
1953
3503990Reference
1954
4500309Reference
Final
4503563Reference
274051Reference
Capacities
Diameter
30 cmReference
197 cmReference
Width
18 cmReference
163 cmReference
RPM
987Reference
992Reference
Speed
934.21 meters/minReference
938.78 meters/minReference
Test results
Belt fuel use (max)
6.8 l/hourReference
11.0 l/hourReference
Max pull
1619 kgReference
1724 kgReference
77 Standard Serial Numbers
1948
269001Reference
Location:
Rear main frame and transmission, front-right sideReference

Fit score weighs budget, operation size, crop match and data confidence against the details above. It’s guidance, not advice — always confirm with a dealer demo.

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